{"title":"Axle Back","description":"\u003cp\u003eShop axle back exhaust systems for BMW, Audi, Volkswagen, and Porsche. Swap out your rear muffler section for an improved exhaust note and a cleaner tip look without modifying your mid-pipe or catalytic converter.\u003c\/p\u003e","products":[{"product_id":"g4x-m240i-valved-rear-axle-back-exhaust","title":"G4X BMW M240i Valved Rear Axle-back Exhaust","description":"\u003ch2\u003eG4X BMW M240i Rear Exhaust\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eAt Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For over 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by one of the newest additions to our G4X BMW M240i collection.\u003c\/p\u003e\n\u003cp\u003eThe Active Autowerke M240i rear exhaust was carefully engineered to eliminate the overly quiet sound of the factory M240i exhaust, while also allowing for optimum flow and resonance by reusing the actuator from the BMW valve. Every effort was made in addressing the not so appeasing sound of the stock OEM exhaust, but in designing an exhaust worthy for the BMW 'M' badge. We believe our rear exhaust offers the best combination of sound and performance versus other systems on the market today. This axle-back exhaust gives your BMW the deep, throaty, growl a car of its caliber should have had from the factory! And we haven't mentioned the quad tips on the exhaust further enhancing the car's look in addition to the sound.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE - this rear exhaust is intended for those who only wish to replace their stock rear section so the stock midpipes will need to be cut - all connecting hardware is provided.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eLow, Deep Sound with stock Valve Control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach exhaust test-fit on our M240i Exhaust Fixture\u003c\/li\u003e\n\u003cli\u003eQuad tips for that M- look\u003c\/li\u003e\n\u003cli\u003eGuaranteed to fit G42 M240i\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ehttps:\/\/www.youtube.com\/watch?v=57Ta3uSB2b8\u0026amp;t=17s\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eActive Autowerke GUARANTEES that each and every G4X M240i Rear Exhaust Section will be a precise fit. Every Active Autowerke M240i Rear Exhaust Section is test-fitted on our in-house Exhaust Fixture as part of our quality control measures.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: none;\" class=\"sb-car-tag-by-description\"\u003eyear-2018,year-2018-make-bmw,year-2018-make-bmw-model-m2c,year-2019,year-2019-make-bmw,year-2019-make-bmw-model-m2c,year-2020,year-2020-make-bmw,year-2020-make-bmw-model-m2c,year-2021,year-2021-make-bmw,year-2021-make-bmw-model-m2c\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"w stainless brushed tips","offer_id":44991529844913,"sku":"11-125","price":1999.0,"currency_code":"USD","in_stock":false},{"title":"w matte black tips","offer_id":44991529877681,"sku":"11-125B","price":2099.0,"currency_code":"USD","in_stock":false},{"title":"w carbon fiber tips","offer_id":44991529910449,"sku":"11-125C","price":2499.0,"currency_code":"USD","in_stock":false},{"title":"w carbon over black chrome tips","offer_id":44991529943217,"sku":"11-125CB","price":2599.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/M240exhb.jpg?v=1749591314"},{"product_id":"g87-m2-valved-rear-axle-back-exhaust","title":"G87 M2 Valved Rear Axle-back Exhaust","description":"\u003ch2\u003eG87 BMW M2 Rear Exhaust\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eActive Autowerke is proud to release the Active Autowerke Valved Rear Exhaust for the BMW G87 M2. While these cars have received rave reviews for their performance, the sound is a muffled one leaving the driver to wonder if they are really driving a BMW M-car. In order to solve this, Active Autowerke has created a full exhaust system for the G87 which comprises this rear axle-back valved exhaust, a mid-pipe with equal length x-pipe or single and a set of GESI catted downpipes. Together, this remake of the stock exhaust results in a G87 with an amazing sound. You will feel like you are driving a true M-car again.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For over 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by the introduction of G80\/G82 BMW M3\/M4 collection rear exhaust.\u003c\/p\u003e\n\u003cp\u003eThe Active Autowerke G87 rear exhaust was carefully engineered to increase the sound level over the factory M2 exhaust, while also allowing for optimum flow and resonance by reusing the actuators from the BMW valves. Every effort was made in addressing the overly quiet sound of the stock OEM exhaust while designing an exhaust worthy for an \"M\" car. We believe our rear exhaust combined with our mid-pipe and catted downpipes offers the best combination of sound and performance versus any other system on the market today. Available for both models, this axle-back exhaust gives your BMW the deep, throaty, growl a car of its caliber should have had from the factory!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE - we do offer a version of this rear exhaust for those who only wish to replace their stock rear section (so keeping stock midpipes) but there will be an additional subsequent charge if you later move to an Active or other midpipe as the connecting pipes will have to be replaced. Also you should note that the dramatic difference in sound will only come with replacing the midpipe - the rear offers an upgrade but is more subtle.\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eLow, Deep Sound with stock Valve Control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach exhaust test-fit on our G87 Exhaust Fixture\u003c\/li\u003e\n\u003cli\u003eGuaranteed to fit all G87 BMW M2\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary installation hardware \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eActive Autowerke GUARANTEES that each and every G87 M2 Rear Exhaust Section will be a precise fit. Every Active Autowerke G87 Rear Exhaust Section is test-fitted on our in-house G87 Exhaust Fixture as part of our quality control measures.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: none;\" class=\"sb-car-tag-by-description\"\u003eyear-2018,year-2018-make-bmw,year-2018-make-bmw-model-m2c,year-2019,year-2019-make-bmw,year-2019-make-bmw-model-m2c,year-2020,year-2020-make-bmw,year-2020-make-bmw-model-m2c,year-2021,year-2021-make-bmw,year-2021-make-bmw-model-m2c\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"w stainless brushed tips","offer_id":44991532990641,"sku":"11-119","price":2499.0,"currency_code":"USD","in_stock":false},{"title":"w matte black tips","offer_id":44991533023409,"sku":"11-119B","price":2599.0,"currency_code":"USD","in_stock":false},{"title":"w carbon fiber tips","offer_id":44991533056177,"sku":"11-119C","price":3099.0,"currency_code":"USD","in_stock":false},{"title":"w carbon over black chrome tips","offer_id":44991533088945,"sku":"11-119BC","price":3199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/G80EXHc_60c771eb-d2ae-42ed-aa97-1bedc367bfa5.jpg?v=1749591306"},{"product_id":"x3m-and-x4m-valved-rear-axle-back-exhaust","title":"X3M and X4M Valved Rear Axle-back Exhaust","description":"\u003ch2\u003eBMW F97 X3M \/ F98 X4M Rear Exhaust\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDue to continued requests from our customers, Active Autowerke is pleased to release the Active Autowerke Valved Rear Exhaust for the X3M and X4M. While these SUVs have received rave reviews for their performance, the sound is a muffled one leaving the driver to wonder if they are really driving a BMW M-car. In order to solve this, Active Autowerke has created a full exhaust system for the X3M\/X4M which comprises this rear axle-back valved exhaust, a single mid-pipe and a set of GESI catted downpipes. Together, this remake of the stock exhaust results in a F97\/F98 with an amazing sound. You will feel like you are driving a true M-car again.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For over 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by the introduction of F97\/F98 BMW X3M\/X4M collection rear exhaust.\u003c\/p\u003e\n\u003cp\u003eThe Active Autowerke F97\/F98 rear exhaust was carefully engineered to increase the sound level over the factory X3M and X4M exhaust, while also allowing for optimum flow and resonance by reusing the actuators from the BMW valves. Every effort was made in addressing the overly quiet sound of the stock OEM exhaust while designing an exhaust worthy for an \"M\" car. We believe our rear exhaust combined with our mid-pipe and catted downpipes offers the best combination of sound and performance versus any other system on the market today. Available for both models, this axle-back exhaust gives your BMW the deep, throaty, growl a car of its caliber should have had from the factory!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE - we do offer a version of this rear exhaust for those who only wish to replace their stock rear section (so keeping stock midpipes) but there may be an additional subsequent charge if you later move to an Active or other midpipe as the connecting pipes may have to be replaced. Also you should note that the dramatic difference in sound will only come with replacing the midpipe - the rear offers an upgrade but is more subtle.\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eLow, Deep Sound with stock Valve Control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach exhaust test-fit on our F97\/F98 Exhaust Fixture\u003c\/li\u003e\n\u003cli\u003eGuaranteed to fit all F97\/F98 BMW X3M\/X4M\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary installation hardware \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eActive Autowerke GUARANTEES that each and every F97\/F98 X3M and X4M Rear Exhaust Section will be a precise fit. Every Active Autowerke X3M\/X4M Rear Exhaust Section is test-fitted on our in-house F97\/F98 Exhaust Fixture as part of our quality control measures.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"sb-car-tag-by-description\" style=\"display: none;\"\u003eyear-2018,year-2018-make-bmw,year-2018-make-bmw-model-m2c,year-2019,year-2019-make-bmw,year-2019-make-bmw-model-m2c,year-2020,year-2020-make-bmw,year-2020-make-bmw-model-m2c,year-2021,year-2021-make-bmw,year-2021-make-bmw-model-m2c\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"w stainless brushed tips","offer_id":44991561957553,"sku":"11-103","price":2499.0,"currency_code":"USD","in_stock":false},{"title":"w matte black tips","offer_id":44991561990321,"sku":"11-103B","price":2599.0,"currency_code":"USD","in_stock":false},{"title":"w carbon fiber tips","offer_id":44991562023089,"sku":"11-103C","price":3099.0,"currency_code":"USD","in_stock":false},{"title":"w carbon over black chrome tips","offer_id":44991562055857,"sku":"11-103CB","price":3199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/x3mrearb.jpg?v=1749591298"},{"product_id":"g2x-g3x-m340i-m440i-valved-rear-axle-back-exhaust","title":"G2X M340i \/ M440i Valved Rear Axle-back Exhaust","description":"\u003ch2\u003eG2X BMW M340i\/M440i Rear Exhaust\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eAt Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by one of the newest additions to our G2X BMW M340i and M440i collection.\u003c\/p\u003e\n\u003cp\u003eThe Active Autowerke M340i\/M440i rear exhaust was carefully engineered to eliminate the overly quiet sound of the factory M340i and M440i exhaust, while also allowing for optimum flow and resonance by reusing the actuator from the BMW valve. Every effort was made in addressing the not so appeasing sound of the stock OEM exhaust, but in designing an exhaust worthy for the BMW 'M' badge. We believe our rear exhaust offers the best combination of sound and performance versus other systems on the market today. Available for both models, this axle-back exhaust gives your BMW the deep, throaty, growl a car of its caliber should have had from the factory! And we haven't mentioned the quad tips on the exhaust further enhancing the car's look in addition to the sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE - this rear exhaust is intended for those who only wish to replace their stock rear section so the stock midpipes will need to be cut - all connecting hardware is provided.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eLow, Deep Sound with stock Valve Control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach exhaust test-fit on our M340i\/M440i Exhaust Fixture\u003c\/li\u003e\n\u003cli\u003eQuad tips to enhance that M-look\u003c\/li\u003e\n\u003cli\u003eGuaranteed to fit all G-series M340i and M440i\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ehttps:\/\/www.youtube.com\/watch?v=57Ta3uSB2b8\u0026amp;t=17s\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eActive Autowerke GUARANTEES that each and every G2X M340i and M440i Rear Exhaust Section will be a precise fit. Every Active Autowerke M340i\/M440i Rear Exhaust Section is test-fitted on our in-house Exhaust Fixture as part of our quality control measures.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"sb-car-tag-by-description\" style=\"display: none;\"\u003eyear-2018,year-2018-make-bmw,year-2018-make-bmw-model-m2c,year-2019,year-2019-make-bmw,year-2019-make-bmw-model-m2c,year-2020,year-2020-make-bmw,year-2020-make-bmw-model-m2c,year-2021,year-2021-make-bmw,year-2021-make-bmw-model-m2c\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"w stainless brushed tips","offer_id":44991564316849,"sku":"11-089","price":1999.0,"currency_code":"USD","in_stock":false},{"title":"w matte black tips","offer_id":44991564349617,"sku":"11-089B","price":2099.0,"currency_code":"USD","in_stock":false},{"title":"w carbon fiber tips","offer_id":44991564382385,"sku":"11-089C","price":2499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/G340-440reare.jpg?v=1749591289"},{"product_id":"g80-m3-and-g82-m4-valved-rear-axle-back-exhaust","title":"G80 M3 and G82 M4 Valved Rear Axle-back Exhaust","description":"\u003ch2\u003eG80\/G82 BMW M3\/M4 Rear Exhaust\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eActive Autowerke is proud to release the Active Autowerke Valved Rear Exhaust for the BMW G80 M3 and G82 M4. While these cars have received rave reviews for their performance, the sound is a muffled one leaving the driver to wonder if they are really driving a BMW M-car. In order to solve this, Active Autowerke has created a full exhaust system for the G80\/G82 which comprises this rear axle-back valved exhaust, a mid-pipe with x-pipe or single and a set of GESI catted downpipes. Together, this remake of the stock exhaust results in a G80\/G82 with an amazing sound. You will feel like you are driving a true M-car again.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For over 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by the introduction of G80\/G82 BMW M3\/M4 collection rear exhaust.\u003c\/p\u003e\n\u003cp\u003eThe Active Autowerke G80\/G82 rear exhaust was carefully engineered to increase the sound level over the factory M3 and M4 exhaust, while also allowing for optimum flow and resonance by reusing the actuators from the BMW valves. Every effort was made in addressing the overly quiet sound of the stock OEM exhaust while designing an exhaust worthy for an \"M\" car. We believe our rear exhaust combined with our mid-pipe and catted downpipes offers the best combination of sound and performance versus any other system on the market today. Available for both models, this axle-back exhaust gives your BMW the deep, throaty, growl a car of its caliber should have had from the factory!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE - we do offer a version of this rear exhaust for those who only wish to replace their stock rear section (so keeping stock midpipes) but there will be an additional subsequent charge if you later move to an Active or other midpipe as the connecting pipes will have to be replaced. Also you should note that the dramatic difference in sound will only come with replacing the midpipe - the rear offers an upgrade but is more subtle.\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eLow, Deep Sound with stock Valve Control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach exhaust test-fit on our G80\/G82 Exhaust Fixture\u003c\/li\u003e\n\u003cli\u003eGuaranteed to fit all G80\/G82 BMW M3\/M4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary installation hardware \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eActive Autowerke GUARANTEES that each and every G80\/G82 M3 and M4 Rear Exhaust Section will be a precise fit. Every Active Autowerke G80\/G82 Rear Exhaust Section is test-fitted on our in-house G80\/G82 Exhaust Fixture as part of our quality control measures.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: none;\" class=\"sb-car-tag-by-description\"\u003eyear-2018,year-2018-make-bmw,year-2018-make-bmw-model-m2c,year-2019,year-2019-make-bmw,year-2019-make-bmw-model-m2c,year-2020,year-2020-make-bmw,year-2020-make-bmw-model-m2c,year-2021,year-2021-make-bmw,year-2021-make-bmw-model-m2c\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"w stainless brushed tips","offer_id":44991564742833,"sku":"11-086","price":2499.0,"currency_code":"USD","in_stock":false},{"title":"w matte black tips","offer_id":44991564775601,"sku":"11-086B","price":2599.0,"currency_code":"USD","in_stock":false},{"title":"w carbon fiber tips","offer_id":44991564808369,"sku":"11-086C","price":3099.0,"currency_code":"USD","in_stock":false},{"title":"w carbon over black chrome tips","offer_id":44991564841137,"sku":null,"price":3199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/G80EXHc.jpg?v=1749591287"},{"product_id":"m2c-valved-rear-exhaust-f87-bmw-m2c-rear-exhaust-section","title":"F87 M2C Valved Rear Axle-back Exhaust","description":"\u003ch2\u003eThe Ultimate F87 BMW M2C Rear Exhaust\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION NOTE: If you are using this rear exhaust with an Active Autowerke resonated midpipe, you may have double resonated connecting pipes to reduce the rasp inherent in this car. If you have the double pipe, you must flip the exhaust hangers from the factory configuration (drivers side goes to passenger and vice versa) and reverse them to fit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAt Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by one of the newest additions to our F87 BMW M2C and M2CS collection.\u003c\/p\u003e\n\u003cp\u003eThe Active Autowerke F87 rear exhaust was carefully engineered to eliminate the unflattering sound of the factory M2C and M2CS exhaust, while also allowing for optimum flow and resonance by reusing the actuators from the BMW valves. Every effort was made in addressing the not so appeasing sound of the stock OEM exhaust, but in designing an exhaust worthy for an \"M\" car. We believe our rear exhaust combined with our mid-pipe (either single or equal length) offers the best combination of sound and performance versus any other system on the market today. 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And there's none of that irritating low RPM ''drone'' that is common with so many aftermarket mufflers. The mufflers are manufactured from 100% 304 stainless steel inside and out for maximum resistance to corrosion and nearly a 30% reduction in weight eliminating over 20 lbs.\u003c\/p\u003e\n\u003cp\u003eThe four 3.5'' diameter polished, or ceramic black, stainless steel tips not only give the car a more aggressive look but also feature Dinan's new ''Cool Tip'' design that effectively reduces temperatures in order to minimize radiant heat that can affect bodywork over time, as well as avoid discoloration of the tips themselves. The Cool Tips also avoid the possibility of a nasty burn while loading items in the trunk. Employing the principle of rarefaction, the design features an inner and outer tip with a vent at the base. When a positive pressure wave travels to the end of an open pipe and is ultimately expelled into the atmosphere, a rarefaction or momentary drop in the density of the surrounding air is created behind it. This momentary drop in the density of the air surrounding the pipe's exit creates a vacuum, pulling the air from the surrounding area to fill the void. The vent at the base of each outer tip then enables air to be drawn in effectively cooling the tips.\u003c\/p\u003e\n\u003cp\u003eUtilizing the factory brackets and hangers the Dinan exhaust mounts in a factory-like fashion for a perfect fit and clean installation.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 9 HP @ 8000 RPM, + 6 LB-FT @ 8000 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eQuad 3.5\" laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003eOver 20 lbs. lighter than stock\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620753858737,"sku":"D660-0009A","price":2399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/ab957e4261635fc7049ffb40c94cede248a848d3.jpg?v=1749048560"},{"product_id":"dinan-free-flow-axle-back-exhaust-2007-2013-bmw-335i-335is-335xi-stainless-steel-polished-tips-e92-e93","title":"Dinan Free Flow Axle-Back Exhaust - 2007-2013 BMW 335i\/335is\/335xi Stainless Steel - Polished Tips - E92\/E93","description":"\u003cp\u003eStainless Steel - Polished Tips - E92\/E93\u003c\/p\u003e\n\u003cp\u003eDinan's free flow Axle-Back exhaust for the 335i Coupe and Convertible improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. 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A vacuum controlled butterfly valve is utilized to improve flow at wide-open throttle while keeping things civilized and \"drone\" free throughout. 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Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration while reducing drone inside the vehicle, thanks to Dinan's exclusive Helmholtz Chamber and Butterfly Valve technologies. The exhaust gasses exit through larger laser engraved ultra durable polished, or ceramic black, quad tips.\u003c\/p\u003e\n\u003cp\u003eEvery Dinan product comes with our industry-exclusive factory matching new car bumper to bumper warranty and is designed and tested in Morgan Hill, California and can be purchased and installed at any Dinan Approved BMW dealership nationwide.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: +8 HP\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber and butterfly valve technology incorporated to remove drone\u003c\/li\u003e\n\u003cli\u003e\"Straight through\" canister design\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, throatier and deep sound\u003c\/li\u003e\n\u003cli\u003eQuad 3.5\" black ceramic coated, or polished stainless, laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754251953,"sku":"D660-0044-BLK","price":2349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/42cd9eae6b7c5b76384c5aee43b07bdd11a15b01_f828599f-2262-4323-90b0-c1d0b89115e7.jpg?v=1749048551"},{"product_id":"dinan-free-flow-axle-back-exhaust-2012-2016-bmw-335i-435i-stainless-steel-black-tips-f30-f32","title":"Dinan Free Flow Axle-Back Exhaust - 2012-2016 BMW 335i\/435i Stainless Steel - Black Tips - F30\/F32","description":"\u003cp\u003eStainless Steel - Black Tips - F30\/F32\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the F30 335i and F32 435i  exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. 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Like all Dinan exhausts our 328i\/428i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. \u003c\/p\u003e\n\u003cp\u003eThe system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16-gauge 304 stainless steel and will resist corrosion for years to come. 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Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eThe system is built to exacting specifications to ensure the perfect fit using the factory hangers. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. 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With the possibility of putting down over 700 HP with a base tune, these vehicles are no slouch. Dinan engineers wanted to match this impressive feat with an equally impressive exhaust tone that let those around these SUV's hear the power that lies beneath the hood as well as be able to show it. \u003c\/p\u003e\n\u003cp\u003eThe exhaust system was designed to improve exhaust flow by reducing back pressure, resulting in increased power output and a deep sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration.  Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM. The technology within the can is matched in impressiveness by its outward appearance and design as the system is built to exacting specifications to ensure a simplistic bolt-on installation. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. 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With the possibility of putting down over 700 HP with a base tune, these vehicles are no slouch. Dinan engineers wanted to match this impressive feat with an equally impressive exhaust tone that let those around these SUV's hear the power that lies beneath the hood as well as be able to show it. \u003c\/p\u003e\n\u003cp\u003eThe exhaust system was designed to improve exhaust flow by reducing back pressure, resulting in increased power output and a deep sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Dinan also incorporates a Helmholtz chamber design that reduces resonance or \"drone\" at low RPM. The technology within the can is matched in impressiveness by its outward appearance and design as the system is built to exacting specifications to ensure a simplistic bolt-on installation. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features quad 89mm (3.5\") black ceramic or polished exhaust tips for a tasteful high-performance look.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e8 HP @ 6000 RPM, 7 LB-FT @ 6000 RPM\u003c\/li\u003e\n\u003cli\u003eQuad 89mm (3.5\") polished or cermic black laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound with a deep growl\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eComputer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754514097,"sku":"D660-0054A-BLK","price":2599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/9cf1368c463abc1f8d5b072f0b70f0fa7d8952e8_d652e04f-c1e9-4373-9105-b5f42d6ed30a.jpg?v=1749048543"},{"product_id":"dinan-free-flow-axle-back-exhaust-2016-2020-bmw-340i-440i-stainless-steel-polished-tips-f30-f32","title":"Dinan Free Flow Axle-Back Exhaust -  2016-2020 BMW 340i\/440i Stainless Steel - Polished Tips - F30\/F32","description":"\u003cp\u003eStainless Steel - Polished Tips - F30\/F32\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the F30 340i and F32 440i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eThe system is built to exacting specifications to ensure the perfect fit using the factory hangers. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 89mm (3.5\") polished or ceramic black exhaust tips for a tasteful high-performance look.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 89mm (3.5\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754546865,"sku":"D660-0055","price":1649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/242b607c738ecd104e2af881e9387f04d618ed6b_64ac62db-32d5-4eb9-ab87-daa10d2c9ec9.jpg?v=1749048541"},{"product_id":"dinan-free-flow-axle-back-exhaust-2016-2020-bmw-340i-440i-stainless-steel-black-tips-f30-f32","title":"Dinan Free Flow Axle-Back Exhaust - 2016-2020 BMW 340i\/440i Stainless Steel - Black Tips - F30\/F32","description":"\u003cp\u003eStainless Steel - Black Tips - F30\/F32\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the F30 340i and F32 440i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eThe system is built to exacting specifications to ensure the perfect fit using the factory hangers. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 89mm (3.5\") polished or cermic black exhaust tips for a tasteful high-performance look.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 89mm (3.5\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754677937,"sku":"D660-0055-BLK","price":1649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/5c2ccd86ea401c819bcce06e8a4a17e9ba9580b9_7566ffdf-4b1e-4336-a36b-71848d815789.jpg?v=1749048540"},{"product_id":"dinan-free-flow-axle-back-exhaust-2016-2018-bmw-m2-stainless-steel-black-tips-f87","title":"Dinan Free Flow Axle-Back Exhaust - 2016-2018 BMW M2 Stainless Steel - Black Tips - F87","description":"\u003cp\u003eStainless Steel - Black Tips - F87\u003c\/p\u003e\n\u003cp\u003eThe aggressiveness of a track exhaust and the refinement expected of a daily driver all wrapped into one is what many desire but find hard to acquire. This 'white whale' of a product just became easier to locate with Dinan's M2 Free Flow exhaust system that utilizes the factory exhaust valve in concert with Dinan's muffler design to allow for this Jekyll and Hyde ability. \u003c\/p\u003e\n\u003cp\u003eDinan's Free Flow Axle-Back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle. This is accomplished thanks to a computer-controlled valve that limits noise during low-speed driving and opens fully during high-load conditions to allow free flow. For maximum enjoyment and sound when the valve is opened on the M2 exhaust the system becomes a straight pipe to achieve peak power, flow and tone. No matter if the valve is open or closed the exhaust gasses make their exit via Dinan's signature enlarged, laser engraved, black ceramic quad tips. Not only will your M2 sound breathtaking, but it will also look the part as well.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gain of +6 HP and +5 LB-FT of torque\u003c\/li\u003e\n\u003cli\u003eSportier sound\u003c\/li\u003e\n\u003cli\u003eQuad 3.5\" laser engraved black ceramic tips with Dinan logo\u003c\/li\u003e\n\u003cli\u003eComputer controlled valve limits noise during low speed driving; valve opens fully during + high-load conditions to allow free flow\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuators are reused\u003c\/li\u003e\n\u003cli\u003eWhen valve is open, exhaust flows straight through 3.25\" tubing\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754710705,"sku":"D660-0056-BLK","price":2049.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/f03931da881279121aa011c672171947caa9cd16.jpg?v=1749048539"},{"product_id":"dinan-free-flow-axle-back-exhaust-2014-2016-bmw-435i-stainless-steel-polished-tips-f33-f36","title":"Dinan Free Flow Axle-Back Exhaust - 2014-2016 BMW 435i Stainless Steel - Polished Tips - F33\/F36","description":"\u003cp\u003eStainless Steel - Polished Tips - F33\/F36\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the F30 340i and F32 440i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eThe system is built to exacting specifications to ensure the perfect fit using the factory hangers. It is made from 100% 16-gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 89mm (3.5\") polished or ceramic black exhaust tips for a tasteful high-performance look.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 89mm (3.5\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754841777,"sku":"D660-0061-BLK","price":1649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/e5171acefae10ae184fa09d46c1ffa48ed1f9351.jpg?v=1749048536"},{"product_id":"dinan-free-flow-axle-back-exhaust-2017-2021-bmw-m240i-stainless-steel-polished-tips-f22-f23","title":"Dinan Free Flow Axle-Back Exhaust - 2017-2021 BMW M240i Stainless Steel - Polished Tips - F22\/F23","description":"\u003cp\u003eStainless Steel - Polished Tips - F22\/F23\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the F22\/F23 M240i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eThe system is built to exacting specifications to ensure the perfect fit using the factory hangers. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 89mm (3.5\") polished or ceramic black exhaust tips for a tasteful high-performance look.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 89mm (3.5\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754874545,"sku":"D660-0067","price":1649.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/242b607c738ecd104e2af881e9387f04d618ed6b.jpg?v=1749048535"},{"product_id":"dinan-free-flow-axle-back-exhaust-2017-2021-bmw-m240i-stainless-steel-black-tips-f22-f23","title":"Dinan Free Flow Axle-Back Exhaust - 2017-2021 BMW M240i Stainless Steel - Black Tips - F22\/F23","description":"\u003cp\u003eStainless Steel - Black Tips - F22\/F23\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the F22\/F23 M240i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eThe system is built to exacting specifications to ensure the perfect fit using the factory hangers. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 89mm (3.5\") polished or ceramic black exhaust tips for a tasteful high-performance look.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 89mm (3.5\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754907313,"sku":"D660-0067-BLK","price":1649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/5c2ccd86ea401c819bcce06e8a4a17e9ba9580b9.jpg?v=1749048534"},{"product_id":"dinan-free-flow-axle-back-exhaust-2016-2020-bmw-330i-430i-stainless-steel-polished-tips-f30-f31-f32-f33-f36","title":"Dinan Free Flow Axle-Back Exhaust - 2016-2020 BMW 330i\/430i Stainless Steel - Polished Tips - F30\/F31\/F32\/F33\/F36","description":"\u003cp\u003eStainless Steel - Polished Tips - F30\/F31\/F32\/F33\/F36\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the BMW 330i\/430i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Like all Dinan exhausts our 330i\/430i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. \u003c\/p\u003e\n\u003cp\u003eThe system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 3\" ceramic black or polished and laser engraved exhaust tips for a tasteful, high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 4 HP @ 6600 RPM, + 3 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 76mm (3\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620754972849,"sku":"D660-0069","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/860d22afe1b8b5ad4bf6745764734d7faaaf1d17_be1be98c-8341-497f-82ae-88a9de6cc309.jpg?v=1749048533"},{"product_id":"dinan-free-flow-axle-back-exhaust-2016-2020-bmw-330i-430i-stainless-steel-black-tips-f30-f31-f32-f33-f36","title":"Dinan Free Flow Axle-Back Exhaust - 2016-2020 BMW 330i\/430i Stainless Steel - Black Tips - F30\/F31\/F32\/F33\/F36","description":"\u003cp\u003eStainless Steel - Black Tips - F30\/F31\/F32\/F33\/F36\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the BMW 330i\/430i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Like all Dinan exhausts our 330i\/430i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. \u003c\/p\u003e\n\u003cp\u003eThe system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 3\" ceramic black or polished and laser engraved exhaust tips for a tasteful, high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 4 HP @ 6600 RPM, + 3 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 76mm (3\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755005617,"sku":"D660-0069-BLK","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/ebcc7342fd70fca432e71420a064e3fcc923d159_1b6d6ae6-cb0d-44b7-9e45-1df9acd10dea.jpg?v=1749048532"},{"product_id":"dinan-free-flow-axle-back-exhaust-2018-2023-bmw-m550i-stainless-steel-polished-tips-g30","title":"Dinan Free Flow Axle-Back Exhaust - 2018-2023 BMW M550i Stainless Steel - Polished Tips - G30","description":"\u003cp\u003eStainless Steel - Polished Tips - G30\u003c\/p\u003e\n\u003cp\u003eThe G30 M550i exhaust ushers in a new era of Dinan exhaust design. To date, Dinan has been synonymous with welded on, thin-walled tips and a philosophy of exuding a civilized note when you want it to be, and a pleasantly aggressive one under hard acceleration. While the mantra is maintained, albeit tweaked with the emergence of mid-pipes and resonator deletes to those who want an even more aggressive sound, the styling of the tips is being drastically transformed. The new massive 4\" diameter tips on the M550i exhaust are the biggest we have done thus far in addition to being double-walled the polar opposite of our normal thin-walled style. Perhaps most importantly however is the new tips are clamp-on. Not welded as in the past, so they can be easily swapped to new styles or replaced as the need arises. \u003c\/p\u003e\n\u003cp\u003eInternally, the exhaust is typical of other Dinan exhausts and is designed to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow. Like all Dinan exhausts, our M550i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. In fact, on the G30 M550i equipped with a Dinan exhaust, you will be astounded at how eerily quiet it is in the cabin. That is quickly changed however when exiting the vehicle and being witness to the sporty luxury sedan revving its stout V8 engine with the exhaust valves wide open. Blissfully bellowing a sweet deep tone that begs for more is the reward. When you succumb to those desires the throaty note at full load is even more rewarding letting all those around you know your M550i is seriously capable yet dignified at the same time. \u003c\/p\u003e\n\u003cp\u003eA new era of Dinan exhausts is upon us and they are marked with larger than life replaceable tips.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 8 HP @ 6600 RPM, + 6 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eFour massive 4\" diameter clamp-on, double-walled, polished or ceramic black,  laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755038385,"sku":"D660-0075","price":2599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/7b8ab9f7137549b0768d3b6d998d1f9c2a5d1019.jpg?v=1749048531"},{"product_id":"dinan-free-flow-axle-back-exhaust-2018-2023-bmw-m550i-stainless-steel-black-tips-g30","title":"Dinan Free Flow Axle-Back Exhaust - 2018-2023 BMW M550i Stainless Steel - Black Tips - G30","description":"\u003cp\u003eStainless Steel - Black Tips - G30\u003c\/p\u003e\n\u003cp\u003eThe G30 M550i exhaust ushers in a new era of Dinan exhaust design. To date, Dinan has been synonymous with welded on, thin-walled tips and a philosophy of exuding a civilized note when you want it to be, and a pleasantly aggressive one under hard acceleration. While the mantra is maintained, albeit tweaked with the emergence of mid-pipes and resonator deletes to those who want an even more aggressive sound, the styling of the tips is being drastically transformed. The new massive 4\" diameter tips on the M550i exhaust are the biggest we have done thus far in addition to being double-walled the polar opposite of our normal thin-walled style. Perhaps most importantly however is the new tips are clamp-on. Not welded as in the past, so they can be easily swapped to new styles or replaced as the need arises. \u003c\/p\u003e\n\u003cp\u003eInternally, the exhaust is typical of other Dinan exhausts and is designed to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow. Like all Dinan exhausts, our M550i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. In fact, on the G30 M550i equipped with a Dinan exhaust, you will be astounded at how eerily quiet it is in the cabin. That is quickly changed however when exiting the vehicle and being witness to the sporty luxury sedan revving its stout V8 engine with the exhaust valves wide open. Blissfully bellowing a sweet deep tone that begs for more is the reward. When you succumb to those desires the throaty note at full load is even more rewarding letting all those around you know your M550i is seriously capable yet dignified at the same time. \u003c\/p\u003e\n\u003cp\u003eA new era of Dinan exhausts is upon us and they are marked with larger than life replaceable tips.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 8 HP @ 6600 RPM, + 6 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eFour massive 4\" diameter clamp-on, double-walled, polished or ceramic black,  laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755071153,"sku":"D660-0075-BLK","price":2599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/8411059c68fe614680300e0906538cb2b6c0e19b.jpg?v=1749048530"},{"product_id":"dinan-free-flow-axle-back-exhaust-2017-2021-bmw-230i-clearance-item-all-sales-final-stainless-steel-polished-tips-f22","title":"Dinan Free Flow Axle-Back Exhaust - 2017-2021 BMW 230i CLEARANCE ITEM \/ ALL SALES FINAL - Stainless Steel - Polished Tips - F22","description":"\u003cp\u003eCLEARANCE ITEM \/ ALL SALES FINAL - Stainless Steel - Polished Tips - F22\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the BMW F22 230i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Like all Dinan exhausts our 230i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. \u003c\/p\u003e\n\u003cp\u003eThe system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 3\" ceramic black or polished and laser engraved exhaust tips for a tasteful, high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 4 HP @ 6600 RPM, + 3 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 76mm (3\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755103921,"sku":"D660-0076","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/38876977bdd94527c617c875425a55d00bbc5e05.jpg?v=1749048529"},{"product_id":"dinan-free-flow-axle-back-exhaust-2017-2021-bmw-230i-stainless-steel-black-tips-f22","title":"Dinan Free Flow Axle-Back Exhaust - 2017-2021 BMW 230i Stainless Steel - Black Tips - F22","description":"\u003cp\u003eStainless Steel - Black Tips - F22\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the BMW F22 230i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Like all Dinan exhausts our 230i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. \u003c\/p\u003e\n\u003cp\u003eThe system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 3\" ceramic black or polished and laser engraved exhaust tips for a tasteful, high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 4 HP @ 6600 RPM, + 3 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 76mm (3\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755136689,"sku":"D660-0076-BLK","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/ebcc7342fd70fca432e71420a064e3fcc923d159.jpg?v=1749048528"},{"product_id":"dinan-free-flow-axle-back-exhaust-2017-2023-bmw-540i-stainless-steel-black-tips-g30","title":"Dinan Free Flow Axle-Back Exhaust - 2017-2023 BMW 540i Stainless Steel - Black Tips - G30","description":"\u003cp\u003eNot compatible with the BMW M-Performance Rear Diffuser.\u003c\/p\u003e\n\u003cp\u003eStainless Steel - Black Tips - G30\u003c\/p\u003e\n\u003cp\u003eUtilizing the same muffler as its B58 siblings the G30 540i exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that also accompany it are simply intoxicating. While on the exterior the sound may be viewed as aggressive the inside of the cabin is still civil courtesy of an incorporated Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eWhile sound is of the utmost importance for any exhaust system the fit and finish are nearly equally as vital. The system is built to exacting specifications to ensure perfect fit using the factory hangers and is made from 100% 16 gauge 304 stainless steel that will resist corrosion for years to come. What is most different about the 540i system however is a completely new tip design from anything Dinan has done prior. The use of twin, massive quadrilateral,  black ceramic coated and engraved angled tips are hard not to to take notice of. With over 8\" of width and 4\" of height per tip, the rear of the 540i assumes a more aggressive demeanor with the Dinan exhaust system. A high-performance look that marries well with the tonal makeover.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003e2 massive quadrilateral black ceramic coated tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eFactory computer controlled valve is eliminated for maximum flow and sound at all times\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755169457,"sku":"D660-0078-BLK","price":2049.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/e1c885ddf0f54df53d6b447e1b4f65e9aa0baee2.jpg?v=1749048526"},{"product_id":"dinan-free-flow-axle-back-exhaust-2018-2023-bmw-m5-stainless-steel-polished-tips-f90","title":"Dinan Free Flow Axle-Back Exhaust - 2018-2023 BMW M5 Stainless Steel - Polished Tips - F90","description":"\u003cp\u003eStainless Steel - Polished Tips - F90\u003c\/p\u003e\n\u003cp\u003eThe F90 M5 has impressed users and critics alike with its awe-inspiring power, effortless delivery, and general embodiment of what BMW has always been about - refined performance. Form and function reign supreme from the factory in true German form. On the other hand, other aspects may not be as carefully cultivated. The stock exhaust note on the F90 M5 as an example, while no slouch, is probably best described as having a subdued aggressive note. Dinan believes for such a powerful and impressive car however that the vehicle deserves to be able to bellow a bit louder and more aggressively. The F90 M5 is the alpha on the public roads after all. Dinan's goal is to let the machine sound the part in addition to performing it. With Dinan, there is no reason to sacrifice anything in the process to meet that goal either. Whether that be in the form of drone, civility, appearance or any other aspect.\u003c\/p\u003e\n\u003cp\u003eIn order to achieve desired sound volume and tone, Dinan felt becoming of the F90 M5 the tubing was enlarged to 83mm (vs 80mm stock) to allow freer flow throughout the entirety of the system. The larger tubing is fed into a muffler that is typical of all Dinan exhaust design and utilizes absorption and reactive technologies designed to improve exhaust flow and reduce backpressure. The combination results in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow and greater sound as the bulk of the gases are bypassing the muffler. Like all Dinan exhausts, our M5 free flow exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. With the Dinan exhaust equipped on the M5 you get the best of both worlds; aggressive tone\/sound and civility.  A combination that we have termed internally as \"refined aggression.\"\u003c\/p\u003e\n\u003cp\u003eSound isn't the only aspect of the exhaust that has been modified. The Dinan F90 M5 exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust sports enormous, quad 4\" (102mm) clamp-on, double-walled, polished and laser engraved exhaust tips. Dinan has retained its signature straight-cut tip design, safeguarding its unique and elegant styling position amongst a crowded marketplace full of angle cuts. The tips masterfully fill up and accentuate upon the factory cut-outs showcasing an extremely aggressive, yet refined, styling that will turn heads even before it is heard.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eFour massive 4\" diameter clamp-on, double-walled, polished and laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (83mm vs 80mm)\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuators reused and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions \u003c\/li\u003e\n\u003cli\u003eTwin secondary exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755202225,"sku":"D660-0079","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/effb326517f9dda4802edb67c1bbecfdeeb25140_4ae52373-6d7e-4ed5-a8f4-581d4aa84cf3.jpg?v=1749048525"},{"product_id":"dinan-free-flow-axle-back-exhaust-2018-2023-bmw-m5-stainless-steel-black-tips-f90","title":"Dinan Free Flow Axle-Back Exhaust - 2018-2023 BMW M5 Stainless Steel - Black Tips - F90","description":"\u003cp\u003eStainless Steel - Black Tips - F90\u003c\/p\u003e\n\u003cp\u003eThe F90 M5 has impressed users and critics alike with its awe-inspiring power, effortless delivery, and general embodiment of what BMW has always been about - refined performance. Form and function reign supreme from the factory in true German form. On the other hand, other aspects may not be as carefully cultivated. The stock exhaust note on the F90 M5 as an example, while no slouch, is probably best described as having a subdued aggressive note. Dinan believes for such a powerful and impressive car however that the vehicle deserves to be able to bellow a bit louder and more aggressively. The F90 M5 is the alpha on the public roads after all. Dinan's goal is to let the machine sound the part in addition to performing it. With Dinan, there is no reason to sacrifice anything in the process to meet that goal either. Whether that be in the form of drone, civility, appearance or any other aspect.\u003c\/p\u003e\n\u003cp\u003eIn order to achieve desired sound volume and tone, Dinan felt becoming of the F90 M5 the tubing was enlarged to 83mm (vs 80mm stock) to allow freer flow throughout the entirety of the system. The larger tubing is fed into a muffler that is typical of all Dinan exhaust design and utilizes absorption and reactive technologies designed to improve exhaust flow and reduce backpressure. The combination results in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow and greater sound as the bulk of the gases are bypassing the muffler. Like all Dinan exhausts, our M5 free flow exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. With the Dinan exhaust equipped on the M5 you get the best of both worlds; aggressive tone\/sound and civility.  A combination that we have termed internally as \"refined aggression.\"\u003c\/p\u003e\n\u003cp\u003eSound isn't the only aspect of the exhaust that has been modified. The Dinan F90 M5 exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust sports enormous, quad 4\" (102mm) clamp-on, double-walled, black ceramic coated and laser engraved exhaust tips. Dinan has retained its signature straight-cut tip design, safeguarding its unique and elegant styling position amongst a crowded marketplace full of angle cuts. The tips masterfully fill up and accentuate upon the factory cut-outs showcasing an extremely aggressive, yet refined, styling that will turn heads even before it is heard.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eFour massive 4\" diameter clamp-on, double-walled, black ceramic coated and laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (83mm vs 80mm)\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuators reused and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions \u003c\/li\u003e\n\u003cli\u003eTwin secondary exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755234993,"sku":"D660-0079-BLK","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/97ca3f8c246dc874b9e5ff854ca1a21a926f2d79.jpg?v=1749048523"},{"product_id":"dinan-free-flow-axle-back-exhaust-x-pipe-2019-2021-bmw-m2c-stainless-steel-black-tips-f87","title":"Dinan Free Flow Axle-Back Exhaust \u0026 X-Pipe - 2019-2021 BMW M2C Stainless Steel - Black Tips - F87","description":"\u003cp\u003eStainless Steel - Black Tips - F87\u003c\/p\u003e\n\u003cp\u003eGone is the unsightly sagging OE muffler of the M2 Competition. Replaced by a sleek and nearly invisible Dinan system making the hindquarters pleasing to the eye once again.  The system, constructed of brushed T304 stainless steel and TIG welded with immaculate color displays beautiful artisanship even if it is hidden from view. What is viewable are impressively large quad 4\" (102mm) exhaust tips. Available in polished stainless or matte black, the signature Dinan straight cut tips offer a much more agreeable, and aggressive, focal point than the stock setup. \u003c\/p\u003e\n\u003cp\u003eWith the outward styling and look enhanced, improvement upon the raspy sound of the S55 motor was necessary. To accomplish this an overhaul of many facets of the stock system needed to happen. The internal baffling of the can has been completely redesigned to allow a more Dinan inspired note to be heard (deeper and throatier). The piping has also enlarged to allow freer flow and bring the tone even deeper yet. While these things all make the system a respectable representation of a Dinan M exhaust, what really sets the system apart is the incorporation of an 'X' in place of the factory resonator. Not only does the overall volume increase, but the crossover allows for a refined and smoothened exhaust note complete with a perfect mix of exotic undertones and raw aggression. Combined, these features transform the raspiness of the S55 into a more agreeable Dinan inspired aural experience that keeps you wanting more.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6300 RPM, + 5 LB-FT @ 6300 RPM\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eQuad 4\" (102mm) diameter clamp-on, double-walled, ceramic coated and laser engraved black exhaust tips\u003c\/li\u003e\n\u003cli\u003eFactory resonator replaced by an x-pipe for increased volume and an improved throaty note\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (70mm vs 65mm)\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valve functionality is retained and limits noise during low speed driving and opens fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755333297,"sku":"D660-0082-BLK","price":2599.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/781dc2fdff7d8a2f755722a95d1122afc0664301.jpg?v=1749048519"},{"product_id":"dinan-free-flow-axle-back-exhaust-2020-2024-bmw-m340i-m440i-stainless-steel-polished-tips-g20-g22-g23-g26","title":"Dinan Free Flow Axle-Back Exhaust - 2020-2024 BMW M340i\/M440i Stainless Steel - Polished Tips - G20 \/ G22 \/ G23 \/ G26","description":"\u003cp\u003eStainless Steel - Polished Tips - G20 \/ G22 \/ G23 \/ G26\u003c\/p\u003e\n\u003cp\u003eQuad exhaust tips have been a signature feature of the most powerful letter in the automotive sphere for quite some time. It is a hallmark of the brand that Dinan has long embraced, limiting its own quad tip usage to those M cars that already sported like tip quantity from the factory. That is… until now with the release of the Dinan axle back exhaust system for the G20 M340i and G2x M440i.\u003c\/p\u003e\n\u003cp\u003eWhile some may scoff at the feature being implemented into a \"pseudo-M,\" the M340i\/M440i, and the B58 engine platform, are extremely potent and worthy of such a distinction. The factory valance also accommodates the four massive 102mm tips perfectly, further cementing our opinion that the quad tips were destined to be on this performance model. Being numerous and big are not the only selling points to the tips however. Dinan has retained its signature straight cut tip design, safeguarding its unique and elegant styling position amongst a crowded marketplace full of angle cuts. With systems available with either black ceramic coated or polished clamp-on, and laser engraved exhaust tips, there is a version that is sure to meet your individual aesthetic needs.\u003c\/p\u003e\n\u003cp\u003eThe use of quad tips also presented some additional challenges and fostered some innovation to the already visually impressive system constructed entirely of TIG welded and brushed T304 stainless steel. Confined to dual tips, the factory system utilizes only one exhaust valve and functions by eliminating the passenger side tip when the valve is closed, siphoning all gases through the muffler and out the driver's side tip for quieter operation. With the introduction of more pipes\/tips, this methodology was not practical, or desired. In true Dinan M exhaust fashion, our talented engineering team decided that integrating a second valve to the system would garner the most favorable results in both symmetry and overall sound. The result is a system that incorporates larger 76mm tubing (vs 70mm stock) and allows freer flow through the entirety of the system but specifically to both outer pipes when the enlarged valves are open. The resulting flow and sound mimics an awe-inspiring straight pipe solution with a deeper and meatier tone, a defining element of all Dinan exhausts. In contradiction to the aggressiveness resulting from open valves, when the valves are closed, all gasses are forced into the muffler for sound deadening and exit the two inner tips. Regardless of valve position, the intimate nature of the interior is retained so conversation can continue without an excessively loud drone courtesy of numerous drone abatement technologies in the can. With the Dinan exhaust equipped on the M340i\/M440i you get the best of both worlds; aggressive tone\/sound and civility.  A combination that is a paramount to any M exhaust, and now by virtue of tip count, the M340i and M440i. Welcome to the illustrious family.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eQuad 4\" diameter clamp-on, double-walled, polished and laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (76mm vs 70mm)\u003c\/li\u003e\n\u003cli\u003e4 lbs lighter than the stock system\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuator reused and another valve\/actuator added to the opposing side promoting even flow regardless of valve position\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003eTwin exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755398833,"sku":"D660-0085","price":2349.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/7ccf25d76b4edb97f2ef436b86da2e4ed6052bdc.jpg?v=1749048517"},{"product_id":"dinan-free-flow-axle-back-exhaust-2020-2025-bmw-x3m-x4m-stainless-steel-polished-tips-f97-f98","title":"Dinan Free Flow Axle-Back Exhaust - 2020-2025 BMW X3M\/X4M Stainless Steel - Polished Tips - F97\/F98","description":"\u003cp\u003eStainless Steel - Polished Tips - F97\/F98\u003c\/p\u003e\n\u003cp\u003eThe \"baby M's\" of the 'X' family just got a bit more big brother like. With more volume and a deeper, more aggressive note courtesy of the Dinan axle back exhaust system, the F97\/F98 now stand on the precipice of rivaling, or even surpassing, its V8 siblings --- at least, in regards to sound. With an intoxicating and menacing sound befitting of a high performance SUV the X3M\/X4M holds its own amongst the pantheon of more traditional M's. \u003c\/p\u003e\n\u003cp\u003eIn order to achieve the deep and throaty signature Dinan sound the system incorporates larger 76mm tubing (vs 70mm stock) that allows freer flow through the entirety of the system but specifically to both outer pipes when the enlarged valves are open. The resulting flow and sound mimics an awe-inspiring straight pipe solution with a deeper, fuller tone, a defining element of all Dinan exhausts. In contradiction to the aggressiveness resulting from open valves, when the valves are closed, all gasses are forced into the muffler for sound deadening and exit the two inner tips. Regardless of valve position, the intimate nature of the interior is retained so conversation can continue without an excessively loud drone courtesy of drone abatement technologies housed within the can. With the Dinan exhaust equipped on the X3M\/X4M you get the best of both worlds; aggressive tone\/sound and civility  \u003c\/p\u003e\n\u003cp\u003ePerhaps equally important to the sound of the installed Dinan axle back system are the resulting aesthetics. With a nearly perfect symmetrical design, the raw muffler and pipe routing are pleasing to the eye even when the matching proportions are only partially visible after install. The piping culminates into four massive 114mm (4.5\") tips that fill up the previously spacious factory cut out in the valance without appearing to be oversized and unnatural. The imposing tips utilize a new tip design with an inverted clamp neck. The new style allows for two very important things to happen. The first is the ability to have a longer tip sleeve length without sacrificing real estate for a clamp neck thus allowing larger tips even when there is limited straight pipe to clamp on to. Secondly, the interior clamp neck means that the clamp itself is almost completely hidden from view for an unblemished install. Dinan has retained its signature straight cut tip design, safeguarding its unique and elegant styling position amongst a crowded marketplace full of angle cuts. With systems available with either black ceramic coated or polished clamp-on, and laser engraved exhaust tips, there is a version that is sure to meet your individual aesthetic needs.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: +8 HP @ 6600 RPM, +6 FT-LB @ 6600 RPM.\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eQuad 4.5\" (114mm) diameter clamp-on, double-walled, polished and laser engraved exhaust tips.\u003c\/li\u003e\n\u003cli\u003eTuck-it tip design ensures a nearly flawless and unencumbered visual appearance.\u003c\/li\u003e\n\u003cli\u003e100% 304 brushed stainless steel construction w\/ TIG welding.\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (76mm vs 70mm).\u003c\/li\u003e\n\u003cli\u003e5 lbs lighter than the stock system.\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves retained, limiting noise during low speed driving and opening fully during high-load conditions. \u003c\/li\u003e\n\u003cli\u003eTwin exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves. \u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755431601,"sku":"D660-0086","price":2599.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/bcac6625f8fca3ffb4014afe0db60a5a5def6ffd_5ea6a0ad-4797-423f-b589-7fbc4a70c4a2.jpg?v=1749048516"},{"product_id":"dinan-free-flow-axle-back-exhaust-2020-2025-bmw-x3m-x4m-stainless-steel-black-tips-f97-f98","title":"Dinan Free Flow Axle-Back Exhaust - 2020-2025 BMW X3M\/X4M Stainless Steel - Black Tips - F97\/F98","description":"\u003cp\u003eStainless Steel - Black Tips - F97\/F98\u003c\/p\u003e\n\u003cp\u003eThe \"baby M's\" of the 'X' family just got a bit more big brother like. With more volume and a deeper, more aggressive note courtesy of the Dinan axle back exhaust system, the F97\/F98 now stand on the precipice of rivaling, or even surpassing, its V8 siblings --- at least, in regards to sound. With an intoxicating and menacing sound befitting of a high performance SUV the X3M\/X4M holds its own amongst the pantheon of more traditional M's. \u003c\/p\u003e\n\u003cp\u003eIn order to achieve the deep and throaty signature Dinan sound the system incorporates larger 76mm tubing (vs 70mm stock) that allows freer flow through the entirety of the system but specifically to both outer pipes when the enlarged valves are open. The resulting flow and sound mimics an awe-inspiring straight pipe solution with a deeper, fuller tone, a defining element of all Dinan exhausts. In contradiction to the aggressiveness resulting from open valves, when the valves are closed, all gasses are forced into the muffler for sound deadening and exit the two inner tips. Regardless of valve position, the intimate nature of the interior is retained so conversation can continue without an excessively loud drone courtesy of drone abatement technologies housed within the can. With the Dinan exhaust equipped on the X3M\/X4M you get the best of both worlds; aggressive tone\/sound and civility  \u003c\/p\u003e\n\u003cp\u003ePerhaps equally important to the sound of the installed Dinan axle back system are the resulting aesthetics. With a nearly perfect symmetrical design, the raw muffler and pipe routing are pleasing to the eye even when the matching proportions are only partially visible after install. The piping culminates into four massive 114mm (4.5\") tips that fill up the previously spacious factory cut out in the valance without appearing to be oversized and unnatural. The imposing tips utilize a new tip design with an inverted clamp neck. The new style allows for two very important things to happen. The first is the ability to have a longer tip sleeve length without sacrificing real estate for a clamp neck thus allowing larger tips even when there is limited straight pipe to clamp on to. Secondly, the interior clamp neck means that the clamp itself is almost completely hidden from view for an unblemished install. Dinan has retained its signature straight cut tip design, safeguarding its unique and elegant styling position amongst a crowded marketplace full of angle cuts. With systems available with either black ceramic coated or polished clamp-on, and laser engraved exhaust tips, there is a version that is sure to meet your individual aesthetic needs.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: +8 HP @ 6600 RPM, +6 FT-LB @ 6600 RPM.\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eQuad 4.5\" (114mm) diameter clamp-on, double-walled, black ceramic coated and laser engraved exhaust tips.\u003c\/li\u003e\n\u003cli\u003eTuck-it tip design ensures a nearly flawless and unencumbered visual appearance.\u003c\/li\u003e\n\u003cli\u003e100% 304 brushed stainless steel construction w\/ TIG welding.\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (76mm vs 70mm).\u003c\/li\u003e\n\u003cli\u003e5 lbs lighter than the stock system.\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves retained, limiting noise during low speed driving and opening fully during high-load conditions. \u003c\/li\u003e\n\u003cli\u003eTwin exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves. \u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with included mounting hardware.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755464369,"sku":"D660-0086-BLK","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/7e9025296ba75d8c11aae853bef1e2636ba9e37b.jpg?v=1749048513"},{"product_id":"dinan-valved-axle-back-exhaust-2016-2023-bmw-x1-x2-xdrive28i-dinan-valved-axle-back-exhaust-2016-2024-mini-cman-jcw-dinan-valved-axle-back-exhaust-2016-2024-mini-cman-jcw-stainless-steel-polished-tips-f48-f39-f60-f54","title":"Dinan Valved Axle-Back Exhaust - 2016-2023 BMW X1\/X2 xDrive28i Dinan Valved Axle-Back Exhaust - 2016-2024 MINI C'Man JCW Dinan Valved Axle-Back Exhaust - 2016-2024 MINI C'Man JCW Stainless Steel - Polished Tips - F48\/F39\/F60\/F54","description":"\u003cp\u003eNot compatible with the sDrive variant. Please see part # D660-0088 (-BLK) for the sDrive version of the exhaust.\u003c\/p\u003e\n\u003cp\u003eStainless Steel - Polished Tips - F48\/F39\/F60\/F54\u003c\/p\u003e\n\u003cp\u003eThe F48 X1 and F39 X2 BMW crossovers are, by volume, one of the most successful lines in the BMW brand portfolio. That success capitalizing on those that want the additional cabin space, akin to an SUV, but without the huge sacrifice to fuel economy courtesy of the fuel efficient B48 4-cylinder engine. For a wide swath of the consumers in these vehicles that is enough and all that is desired. However, for a growing segment of the market, there are also those that want even more. Namely performance, and by association, sound, more commonly associated with the sportier B58 6-cylinder engine. From the factory the stock X1\/X2 exhaust is largely silent in all modes which is a travesty for any those consumers that fit in the \"more\" category, but Dinan offers a solution that rights that wrong.     \u003c\/p\u003e\n\u003cp\u003eThe Dinan exhaust system offers a dramatically improved exhaust note that is not only louder but fuller and deeper as well. 70mm piping, free of hydroforming, is used throughout that allows freer flow to traverse the entirety of the system. The tubing is then fed into a streamlined muffler that is typical of all Dinan exhaust design and utilizes absorption technologies designed to improve exhaust flow and reduce back pressure. The combination results in mildly improved power output at the extreme top end of the power band and a great sporty sound complete with pops for additional aural gratification. Factory valve control is also retained to ensure the perfect blend of civility when not pushing the car and a bit of additional character when in it. Regardless of driving style or conditions the system is purposefully engineered to reduce low-RPM drone, so the cabin of the vehicle remains intimate and not drowned in an excessively loud tone.\u003c\/p\u003e\n\u003cp\u003eWhile sound is the primary reason for any exhaust purchase the styling and craftsmanship also play an important role for the discerning buyer. The Dinan X1\/X2 (\u0026amp; MINI C'man JCW) exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush-finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust sports enormous, dual 4\" (102mm) clamp-on, double-walled, polished and laser engraved exhaust tips. Dinan has retained its signature straight cut tip design, safeguarding its unique and elegant styling position, amongst a marketplace dominated by angle cuts. The tips masterfully fill up and accentuate upon the factory cut-outs showcasing an extremely aggressive, yet refined, styling that will turn heads even before it is heard.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gain of +5 HP and +4 ft-lb of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDual 4\" (102mm) double-walled, polished clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel Construction\u003c\/li\u003e\n\u003cli\u003eRetains factory valve control\u003c\/li\u003e\n\u003cli\u003eBolt-on installation; Includes mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755693745,"sku":"D660-0089","price":1599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/e13d5306ae8d4cc634952dfe36b2d4744e83a8f9.jpg?v=1749048510"},{"product_id":"dinan-valved-axle-back-exhaust-2016-2023-bmw-x1-x2-xdrive28i-dinan-valved-axle-back-exhaust-2016-2024-mini-cman-jcw-dinan-valved-axle-back-exhaust-2016-2024-mini-cman-jcw-stainless-steel-black-tips-f48-f39-f60-f54","title":"Dinan Valved Axle-Back Exhaust - 2016-2023 BMW X1\/X2 xDrive28i Dinan Valved Axle-Back Exhaust - 2016-2024 MINI C'Man JCW Dinan Valved Axle-Back Exhaust - 2016-2024 MINI C'Man JCW Stainless Steel - Black Tips - F48\/F39\/F60\/F54","description":"\u003cp\u003eNot compatible with the sDrive variant. Please see part # D660-0088 (-BLK) for the sDrive version of the exhaust.\u003c\/p\u003e\n\u003cp\u003eStainless Steel - Black Tips - F48\/F39\/F60\/F54\u003c\/p\u003e\n\u003cp\u003eThe F48 X1 and F39 X2 BMW crossovers are, by volume, one of the most successful lines in the BMW brand portfolio. That success capitalizing on those that want the additional cabin space, akin to an SUV, but without the huge sacrifice to fuel economy courtesy of the fuel efficient B48 4-cylinder engine. For a wide swath of the consumers in these vehicles that is enough and all that is desired. However, for a growing segment of the market, there are also those that want even more. Namely performance, and by association, sound, more commonly associated with the sportier B58 6-cylinder engine. From the factory the stock X1\/X2 exhaust is largely silent in all modes which is a travesty for any those consumers that fit in the \"more\" category, but Dinan offers a solution that rights that wrong.     \u003c\/p\u003e\n\u003cp\u003eThe Dinan exhaust system offers a dramatically improved exhaust note that is not only louder but fuller and deeper as well. 70mm piping, free of hydroforming, is used throughout that allows freer flow to traverse the entirety of the system. The tubing is then fed into a streamlined muffler that is typical of all Dinan exhaust design and utilizes absorption technologies designed to improve exhaust flow and reduce back pressure. The combination results in mildly improved power output at the extreme top end of the power band and a great sporty sound complete with pops for additional aural gratification. Factory valve control is also retained to ensure the perfect blend of civility when not pushing the car and a bit of additional character when in it. Regardless of driving style or conditions the system is purposefully engineered to reduce low-RPM drone, so the cabin of the vehicle remains intimate and not drowned in an excessively loud tone.\u003c\/p\u003e\n\u003cp\u003eWhile sound is the primary reason for any exhaust purchase the styling and craftsmanship also play an important role for the discerning buyer. The Dinan X1\/X2 (\u0026amp; MINI C'Man JCW) exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush-finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust sports enormous, dual 4\" (102mm) clamp-on, double-walled, black ceramic coated and laser engraved exhaust tips. Dinan has retained its signature straight cut tip design, safeguarding its unique and elegant styling position, amongst a marketplace dominated by angle cuts. The tips masterfully fill up and accentuate upon the factory cut-outs showcasing an extremely aggressive, yet refined, styling that will turn heads even before it is heard.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gain of +5 HP and +4 ft-lb of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDual 4\" (102mm) double-walled, black ceramic coated clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel Construction\u003c\/li\u003e\n\u003cli\u003eRetains factory valve control\u003c\/li\u003e\n\u003cli\u003eBolt-on installation; Includes mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755726513,"sku":"D660-0089-BLK","price":1599.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/8484610f348c6db592aee0db7caad1e07fcfcf4f.jpg?v=1749048509"},{"product_id":"dinan-valved-axle-back-exhaust-2020-2025-bmw-x5m-x6m-stainless-steel-polished-tips-f95-f96","title":"Dinan Valved Axle-Back Exhaust - 2020-2025 BMW X5M\/X6M Stainless Steel - Polished Tips - F95\/F96","description":"\u003cp\u003eStainless Steel - Polished Tips - F95\/F96\u003c\/p\u003e\n\u003cp\u003eThe argument as to what performance SUV is placed atop the performance pyramid always seems to come to an end when the BMW X5M (or X6M) enters the conversation. The burly vehicles are intimidating due to their size yet still remarkably agile and quick given their heft making them perennial kings of the category. Like their sedan sibling, the M5, however there is a bit missing when it comes to audible enjoyment. While in stock trim the exhaust note is respectable, it is held back from unleashing its true glory in the name of refinement and respectability. Dinan brings forth an exhaust upgrade that retains both these important characteristics but also allows the full chorus of all 8 cylinders to surge through the system and display their vocal talents. With Dinan the beast has found its bark… and it is glorious.         \u003c\/p\u003e\n\u003cp\u003eTo achieve desired sound volume and tone Dinan felt becoming of the F9x X5M\/X6M the tubing was enlarged to 83mm (vs 80mm stock) to allow freer flow throughout the entirety of the system. The larger tubing is fed into a muffler that is typical of all Dinan exhaust design and utilizes absorption and reactive technologies designed to improve exhaust flow and reduce backpressure. The combination results in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow and greater sound as the bulk of the gases are bypassing the muffler. Like all Dinan exhausts, our X5M\/X6M free flow exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. With the Dinan exhaust equipped on the X5M\/X6M you get the best of both worlds; aggressive tone\/sound and civility. A combination that is quintessential of the luxury SUV with a penchant for aggressive behavior. \u003c\/p\u003e\n\u003cp\u003eSound isn't the only aspect of the exhaust that has been modified. The Dinan F9x X5M\/X6M exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust sports massive, quad 4.5\" (114mm) clamp-on, double-walled, polished stainless steel and laser engraved exhaust tips that are befitting of the big Bavarian beast. The tips masterfully fill up and accentuate upon the factory cut-outs showcasing an extremely aggressive, yet refined, styling that will force people to take notice even before it is heard.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gains of +6 HP and +5 ft-lb of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eFour, diffuser filling, 4.5\" (114mm) double-walled, polished stainless steel clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (83mm vs. 80mm)\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuators reused, and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low-speed driving and open fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003eTwin secondary exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel construction\u003c\/li\u003e\n\u003cli\u003eFactory-like fitment with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755759281,"sku":"D660-0090","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/e903914b75804d8e9d109a046e55fc225f4c1444.jpg?v=1749048506"},{"product_id":"dinan-valved-axle-back-exhaust-2020-2025-bmw-x5m-x6m-stainless-steel-black-tips-f95-f96","title":"Dinan Valved Axle-Back Exhaust - 2020-2025 BMW X5M\/X6M Stainless Steel - Black Tips - F95\/F96","description":"\u003cp\u003eStainless Steel - Black Tips - F95\/F96\u003c\/p\u003e\n\u003cp\u003eThe argument as to what performance SUV is placed atop the performance pyramid always seems to come to an end when the BMW X5M (or X6M) enters the conversation. The burly vehicles are intimidating due to their size yet still remarkably agile and quick given their heft making them perennial kings of the category. Like their sedan sibling, the M5, however there is a bit missing when it comes to audible enjoyment. While in stock trim the exhaust note is respectable, it is held back from unleashing its true glory in the name of refinement and respectability. Dinan brings forth an exhaust upgrade that retains both these important characteristics but also allows the full chorus of all 8 cylinders to surge through the system and display their vocal talents. With Dinan the beast has found its bark… and it is glorious.         \u003c\/p\u003e\n\u003cp\u003eTo achieve desired sound volume and tone Dinan felt becoming of the F9x X5M\/X6M the tubing was enlarged to 83mm (vs 80mm stock) to allow freer flow throughout the entirety of the system. The larger tubing is fed into a muffler that is typical of all Dinan exhaust design and utilizes absorption and reactive technologies designed to improve exhaust flow and reduce backpressure. The combination results in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow and greater sound as the bulk of the gases are bypassing the muffler. Like all Dinan exhausts, our X5M\/X6M free flow exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. With the Dinan exhaust equipped on the X5M\/X6M you get the best of both worlds; aggressive tone\/sound and civility. A combination that is quintessential of the luxury SUV with a penchant for aggressive behavior. \u003c\/p\u003e\n\u003cp\u003eSound isn't the only aspect of the exhaust that has been modified. The Dinan F9x X5M\/X6M exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust sports massive, quad 4.5\" (114mm) clamp-on, double-walled, black ceramic coated and laser engraved exhaust tips that are befitting of the big Bavarian beast. The tips masterfully fill up and accentuate upon the factory cut-outs showcasing an extremely aggressive, yet refined, styling that will force people to take notice even before it is heard.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gains of +6 HP and +5 ft-lb of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eFour, diffuser filling, 4.5\" (114mm) double-walled, black ceramic coated clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (83mm vs. 80mm)\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuators reused, and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low-speed driving and open fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003eTwin secondary exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel construction\u003c\/li\u003e\n\u003cli\u003eFactory-like fitment with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755792049,"sku":"D660-0090-BLK","price":2699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/501f8c2949408749503e2906c6826be4e2553e3d.jpg?v=1749048504"},{"product_id":"dinan-valved-axle-back-exhaust-2019-2024-bmw-330i-430i-stainless-steel-polished-tips-g20-g22","title":"Dinan Valved Axle-Back Exhaust - 2019-2024 BMW 330i\/430i Stainless Steel - Polished Tips - G20\/G22","description":"\u003cp\u003e430i fitment is confirmed only for the coupe (G22) variant. The convertible (G23) and gran coupe (G26) have not been tested. They have additional underside bracing which may interfere with exhaust installation.\u003c\/p\u003e\n\u003cp\u003eStainless Steel - Polished Tips - G20\/G22\u003c\/p\u003e\n\u003cp\u003eDelivering on the promise of performance (and sound) without sacrifice, the Dinan G20 330i \/ G22 430i exhaust not only grants the B46\/B48 4-cylinder improved exhaust flow by reducing back pressure but also imbues the platform with a deeper and fuller note, free of any added drone or other negative side effects commonly associated with aftermarket exhausts.  The goal of OEM+ and then some, realized.\u003c\/p\u003e\n\u003cp\u003eUtilizing factory cut points and mounting mechanics the Dinan exhaust system is a straightforward install with precision fitment just like you would expect straight from the manufacturer. Mounting and proper fitment is where the similarities to the factory exhaust end, however. Fabricated from brushed 100% T304 stainless steel, TIG welded and free of hydroformed pipes the upgraded system is a substantial improvement from its predecessor - both in terms of material\/construction as well as in overall looks. When viewed from the rear the difference becomes unmistakable if it was not already apparent. Going from the plebeian stock dual slash cut 90mm (3.5\") tips to the massive Dinan straight cut 102mm (4\") ones leaves no doubt that something above and beyond is present. This is solidified by the Dinan logo laser engraved on the tips and the deep growl of the exhaust that is indisputably different than anything one would expect to hear from a base 4-cylinder turbo platform.\u003c\/p\u003e\n\u003cp\u003eUnquestionable enhancements to the overall chorus emitted through the Dinan system transcends all modes making the vehicle a delight to drive and enjoy. However, for those that wish to have options to limit the extraordinary soundtrack for late night or early morning arrivals\/departures (or any number of other reasons) factory valve control is retained. This ensures the perfect blend of civility when not pushing the car or the full spectrum of auditory delight when in it. No matter the situation the Dinan valved axle back exhaust system is the answer for the discerning enthusiast looking for performance without sacrifice.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gains of +4 HP and +3 ft-lb of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eDual 4\" (102mm) double-walled, polished clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (85mm to dual 60mm vs. 85mm to dual 83mm)\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel construction\u003c\/li\u003e\n\u003cli\u003eRetains factory valve control\u003c\/li\u003e\n\u003cli\u003eFactory-like fitment with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755824817,"sku":"D660-0091","price":1849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/0b7a2c494f3f9cd30720474a074e3f5e0b435ce8.jpg?v=1749048502"},{"product_id":"dinan-valved-axle-back-exhaust-2019-2024-bmw-330i-430i-stainless-steel-black-tips-g20-g22","title":"Dinan Valved Axle-Back Exhaust - 2019-2024 BMW 330i\/430i Stainless Steel - Black Tips - G20\/G22","description":"\u003cp\u003e430i fitment is confirmed only for the coupe (G22) variant. The convertible (G23) and gran coupe (G26) have not been tested. They have additional underside bracing which may interfere with exhaust installation.\u003c\/p\u003e\n\u003cp\u003eStainless Steel - Black Tips - G20\/G22\u003c\/p\u003e\n\u003cp\u003eDelivering on the promise of performance (and sound) without sacrifice, the Dinan G20 330i \/ G22 430i exhaust not only grants the B46\/B48 4-cylinder improved exhaust flow by reducing back pressure but also imbues the platform with a deeper and fuller note, free of any added drone or other negative side effects commonly associated with aftermarket exhausts.  The goal of OEM+ and then some, realized.\u003c\/p\u003e\n\u003cp\u003eUtilizing factory cut points and mounting mechanics the Dinan exhaust system is a straightforward install with precision fitment just like you would expect straight from the manufacturer. Mounting and proper fitment is where the similarities to the factory exhaust end, however. Fabricated from brushed 100% T304 stainless steel, TIG welded and free of hydroformed pipes the upgraded system is a substantial improvement from its predecessor - both in terms of material\/construction as well as in overall looks. When viewed from the rear the difference becomes unmistakable if it was not already apparent. Going from the plebeian stock dual slash cut 90mm (3.5\") tips to the massive Dinan straight cut 102mm (4\") ones leaves no doubt that something above and beyond is present. This is solidified by the Dinan logo laser engraved on the tips and the deep growl of the exhaust that is indisputably different than anything one would expect to hear from a base 4-cylinder turbo platform.\u003c\/p\u003e\n\u003cp\u003eUnquestionable enhancements to the overall chorus emitted through the Dinan system transcends all modes making the vehicle a delight to drive and enjoy. However, for those that wish to have options to limit the extraordinary soundtrack for late night or early morning arrivals\/departures (or any number of other reasons) factory valve control is retained. This ensures the perfect blend of civility when not pushing the car or the full spectrum of auditory delight when in it. No matter the situation the Dinan valved axle back exhaust system is the answer for the discerning enthusiast looking for performance without sacrifice.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gains of +4 HP and +3 ft-lb of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eDual 4\" (102mm) double-walled, black ceramic coated clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (85mm to dual 60mm vs. 85mm to dual 83mm)\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel construction\u003c\/li\u003e\n\u003cli\u003eRetains factory valve control\u003c\/li\u003e\n\u003cli\u003eFactory-like fitment with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620755890353,"sku":"D660-0091-BLK","price":1849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/8facc099a9aa759bec32a3d1476f6a9be516970c.jpg?v=1749048501"},{"product_id":"dinan-valved-axle-back-exhaust-2021-2025-bmw-m3-m4-stainless-steel-polished-tips-g80-g82-g83","title":"Dinan Valved Axle-Back Exhaust - 2021-2025 BMW M3\/M4 Stainless Steel - Polished Tips - G80\/G82\/G83","description":"\u003cp\u003eStainless Steel - Polished Tips - G80\/G82\/G83\u003c\/p\u003e\n\u003cp\u003eThe G8x M3\/M4 is arguably superior in every category to its predecessor but in most, if not all, circles the biggest downfall of the platform is in the sound department. Like the F8x before it with the S55, the S58 in the current generation leaves a lot to be desired. While a step in the right direction from its forerunner the stock vocals still carry far too much rasp that do not fully articulate the refined aggressiveness typical of the brands signature performance models. Dinan corrects this weakness with a valved axle back exhaust system that elevates the tone to a deeper, more meaningful note while also delivering an extra level of amplification above and beyond its stock counterpart. Coupled with the optional middle exhaust \/ x-pipe for the platform an even louder, smoother, and fuller soundtrack is possible. \u003c\/p\u003e\n\u003cp\u003eThrough extensive development and testing nearly every possible permutation of the exhaust was attempted. Unlike the previous generation where cabin sound\/drone was largely unchanged between the sedan and the coupe, that was not the case with the G8x chassis'. This caused countless iterations to be attempted in the quest for a common system that not only sounded superb externally but one that also didn't introduce an overbearing internal cabin drone on either body type. The result is a system we are confident will be coveted by all for years to come. To achieve desired sound volume and tone worthy of the G8x M3\/M4 the tubing was enlarged to 76mm (vs 70mm stock) to allow freer flow, and reduce backpressure, throughout the entirety of the system. The larger piping gives way to multiple pathways as it nears the rear of the vehicle -- the choice of which is utilized determined by the factory exhaust valves which are retained. When valves are closed, flow is directed into the Dinan muffler, where absorption and reactive technologies are used, and exit out the two inner tips.  This limits noise during low-speed driving and produces a more subdued, albeit deeper, and agreeable note. However, when the valves are open during high-load conditions the bulk of the gases bypass the muffler altogether for a near straight pipe design and maximum aural enjoyment to be achieved. It's the perfect marriage for all tastes and allows civility or impassioned aggression depending on what the situation demands.  The combination is one Dinan has deemed fitting for the marques signature performance models that cater to the tasteful enthusiast who demand the best for all situations. \u003c\/p\u003e\n\u003cp\u003eVisually, the Dinan G8x M3\/M4 exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust includes massive, quad 4.5-inch (114mm) clamp-on, double-walled, polished stainless steel and laser engraved exhaust tips. Despite the seemingly cartoonish size on paper, the tips mesh seamlessly and fill the factory cut-outs to complete the OEM+ look with a healthy dose of audible attitude.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaximum gains of +6 HP and +5 lb-ft of torque\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eFour, diffuser filling, 4.5-inch (114mm) double-walled, polished stainless steel clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli\u003eLarger diameter piping for increased flow (76mm vs. 70mm)\u003c\/li\u003e\n\u003cli\u003e6-pounds lighter than the stock axle back (Stock: 44-pounds vs. Dinan: 38-pounds)\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuators reused, and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings\u003c\/li\u003e\n\u003cli\u003eComputer controlled exhaust valves are retained and limit noise during low-speed driving and open fully during high-load conditions\u003c\/li\u003e\n\u003cli\u003e100% 304 Stainless Steel construction\u003c\/li\u003e\n\u003cli\u003eFactory-like fitment with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":45620756152497,"sku":"D660-0093","price":2349.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/b0620cb8a82f0494c38a013c920a7caf9c92b4b2.jpg?v=1749048497"}],"url":"https:\/\/hstuning.com\/collections\/axle-back.oembed?page=6","provider":"HS Tuning ","version":"1.0","type":"link"}