{"product_id":"unitronic-performance-ecu-software-audi-rs3-8y","title":"Unitronic Performance ECU Software Audi RS3 8Y","description":"\u003ch3 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cem\u003ePerformance Software for the Bosch MG1CS163 ECU requires a mandatory ECU unlock and additional information.\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eAn ECU ID will need to be provided. We will contact you post purchase to help coordinate shipping and ECU ID retrieval. Please reach out to sales@hstuning.com or call us at 216-577-7171 with any questions.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003eBase ECU Unlock: [+ $1,000.00USD]\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eUnlocked Methods\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003eSend in ECU (Approx. 14 Working Days)\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003eCore Exchange ($1725 Deposit)\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003eReplacement ECU (+$1,525)\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eAdd-Ons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003eUniFLEX [+$500] - \u003ca href=\"https:\/\/hstuning.com\/products\/unitronic-uniflex-hardware-kit-for-2-0tsi-and-8y-rs3-2-5tfsi?_pos=3\u0026amp;_sid=a44e40c5c\u0026amp;_ss=r\" target=\"_blank\"\u003eClick here to view UniFLEX Hardware Kit (Required for UniFLEX)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003eUnitronic Advanced Features - \u003ca href=\"https:\/\/hstuning.com\/products\/unitronic-featurebox-for-uaf-control?_pos=3\u0026amp;_sid=8c4a432c2\u0026amp;_ss=r\u0026amp;variant=47299335946417\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/hstuning.com\/products\/unitronic-featurebox-for-uaf-control?_pos=3\u0026amp;_sid=8ca2639cd\u0026amp;_ss=r\u0026amp;variant=47299335946417\" target=\"_blank\"\u003eClick here to learn more\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eOil and Additives Recommendation\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003eUnitronic uses and recommends Liqui Moly Oil \u0026amp; Additives exclusively for your vehicle, which meet Audi\/VW approvals. To ensure your vehicle is maintained with the #1 oil brand in Germany, see what is recommended for you with the \u003cbr\u003e\u003ca href=\"https:\/\/www.liqui-moly.com\/en\/ca\/service\/oil-guide.html\" target=\"_blank\"\u003eLiqui Moly Oil Guide\u003c\/a\u003e.\u003c\/div\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eUnitronic Stage 1 91 Octane: \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e514HP \/ 482LB-FT\u003c\/h2\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003eUnitronic Stage 1 Performance Software is precisely calibrated for use with 91 octane \/ 95 RON fuel.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePerformance Software for your ECU Box Code is subject to availability.\u003c\/b\u003e \u003cbr\u003e\u003cbr\u003e\u003cb\u003e2022+ models require to have the hood opened during the flashing process.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/gallery\/swpage\/UniFLex-Logo-checkmark-2023-Black-red.png\" alt=\"UniFLEX\" title=\"UniFLEX\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic FLEX fuel enabled ECU Performance Software Calibrations\u003c\/b\u003e are available for this platform allowing for seamless transitions between 100% gasoline to 85% ethanol and anything in between, without requiring an ECU reflash. \u003cb\u003eThis FLEX enabled Software is available for an additional fee and it covers all lower stages up until your highest purchased stage as well.\u003c\/b\u003e UniFLEX Hardware is required in order to take advantage of these FLEX enabled calibrations. Please contact Unitronic or your local Authorized Dealer to learn more. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/blog\/uaf-release\/FeatureBox-Logo-checkmark-2025-black-red-1-.png\" alt=\"FeatureBox\" title=\"FeatureBox\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic Advanced Features (UAF)\u003c\/b\u003e are also available for this platform. Thanks to proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control over Pops and Bangs, Launch Control Settings and Rolling Launch Control for true adjustability directly from the driver’s seat. If the vehicle is not equipped with UniFLEX, Unitronic's FeatureBox allows for seamless integration with the all-new UAF Control mobile app. \u003cbr\u003e\u003cbr\u003eWhen purchasing this upgrade, please be prepared to provide Unitronic with the vehicle’s \u003cb\u003eECU ID, ECU Revision, VIN and Long Coding\u003c\/b\u003e to ensure proper configuration. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eClick \u003ca href=\"https:\/\/www.getunitronic.com\/news\/8y-rs3-software\"\u003eHERE\u003c\/a\u003e to learn more about the Unitronic Performance Software Suite for the 8Y RS3.\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eEngineered with Strict Industry Standards\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eWith over 10 years of experience with Bosch and Siemens engine management systems and calibrations, Unitronic is able to utilize its expertise, industry leading tools and equipment to ensure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eExtensively Tested Under Various Driving Conditions\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eDevelopment begins using Unitronic’s in-house Maha Chassis dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Beta calibrations are then tested in street and track scenarios, using multiple cars under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eFactory Safety Limiters Retained\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in reliability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Responsiveness, Smoothness, Drivability, and Comfort\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard acceleration.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Maximum Output\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU Calibrators deliver the maximum power output while staying within the operational limits of the factory engine and drivetrain components. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine and drivetrain components.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003ePower Delivery Perfectly Optimized Throughout the Power Band\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eAligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and linear power band. Maximum torque output is achieved sooner and maintained longer which creates a broader torque plateau and greater area under the curve. This results in an improved acceleration and optimal engine operation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eImproved Fuel Efficiency\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOptimized timing and injection in cruising condition allows for an improved fuel efficiency, under normalized driving conditions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eIgnition Timing Precisely Calibrated for Higher Octane Fuel\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eEngine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eSpeed Governor Removed\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eVehicle speed limiter within ECU is removed. (Subject to transmission rotational speed limit.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRequired Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic MPI Injector Upgrade Kit for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic UniFLEX Hardware Kit (w\/ sensor) for 2.0TSI EVO4 and 8Y RS3 2.5TFSI\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eUniFLEX Hardware Kit and MPI Upgrade only required if using UniFLEX or E85 Software.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRecommended Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic 4 inch Forged Carbon Fiber Intake System for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Intake System for RS3 and TTRS, 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4-inch Turbo Inlet Elbow for 8Y RS3\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System w\/ Air Guide\u003c\/li\u003e\n\u003cli\u003eUnitronic DQ501 Unlocked TCU\u003c\/li\u003e\n\u003cli\u003eUnitronic Intercooler for 8Y RS3, 8V.2 RS3 and 8S TTRS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRelated Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic Race Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Street Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eUnitronic Stage 1+ 93 Octane: \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 style=\"clear: left; padding-top: 3px;\" class=\"floatLeft\"\u003e561HP \/ 498LB-FT\u003c\/h2\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003eDescription\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003eUnitronic Stage 1+ Performance Software is precisely calibrated for use with 93 octane \/ 98 RON fuel.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePerformance Software for your ECU Box Code is subject to availability.\u003c\/b\u003e \u003cbr\u003e\u003cbr\u003e\u003cb\u003e2022+ models require to have the hood opened during the flashing process.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg title=\"UniFLEX\" alt=\"UniFLEX\" src=\"https:\/\/www.getunitronic.com\/media\/images\/gallery\/swpage\/UniFLex-Logo-checkmark-2023-Black-red.png\" style=\"width: 49%;\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic FLEX fuel enabled ECU Performance Software Calibrations\u003c\/b\u003e are available for this platform allowing for seamless transitions between 100% gasoline to 85% ethanol and anything in between, without requiring an ECU reflash. \u003cb\u003eThis FLEX enabled Software is available for an additional fee and it covers all lower stages up until your highest purchased stage as well.\u003c\/b\u003e UniFLEX Hardware is required in order to take advantage of these FLEX enabled calibrations. Please contact Unitronic or your local Authorized Dealer to learn more. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg title=\"FeatureBox\" alt=\"FeatureBox\" src=\"https:\/\/www.getunitronic.com\/media\/images\/blog\/uaf-release\/FeatureBox-Logo-checkmark-2025-black-red-1-.png\" style=\"width: 49%;\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic Advanced Features (UAF)\u003c\/b\u003e are also available for this platform. Thanks to proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control over Pops and Bangs, Launch Control Settings and Rolling Launch Control for true adjustability directly from the driver’s seat. If the vehicle is not equipped with UniFLEX, Unitronic's FeatureBox allows for seamless integration with the all-new UAF Control mobile app. \u003cbr\u003e\u003cbr\u003eWhen purchasing this upgrade, please be prepared to provide Unitronic with the vehicle’s \u003cb\u003eECU ID, ECU Revision, VIN and Long Coding\u003c\/b\u003e to ensure proper configuration. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eClick \u003ca href=\"https:\/\/www.getunitronic.com\/news\/8y-rs3-software\"\u003eHERE\u003c\/a\u003e to learn more about the Unitronic Performance Software Suite for the 8Y RS3.\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eEngineered with Strict Industry Standards\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eWith over 10 years of experience with Bosch and Siemens engine management systems and calibrations, Unitronic is able to utilize its expertise, industry leading tools and equipment to ensure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eExtensively Tested Under Various Driving Conditions\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eDevelopment begins using Unitronic’s in-house Maha Chassis dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Beta calibrations are then tested in street and track scenarios, using multiple cars under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eFactory Safety Limiters Retained\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in reliability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Responsiveness, Smoothness, Drivability, and Comfort\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard acceleration.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Maximum Output\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU Calibrators deliver the maximum power output while staying within the operational limits of the factory engine and drivetrain components. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine and drivetrain components.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003ePower Delivery Perfectly Optimized Throughout the Power Band\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eAligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and linear power band. Maximum torque output is achieved sooner and maintained longer which creates a broader torque plateau and greater area under the curve. This results in an improved acceleration and optimal engine operation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eImproved Fuel Efficiency\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOptimized timing and injection in cruising condition allows for an improved fuel efficiency, under normalized driving conditions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eIgnition Timing Precisely Calibrated for Higher Octane Fuel\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eEngine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eSpeed Governor Removed\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eVehicle speed limiter within ECU is removed. (Subject to transmission rotational speed limit.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRequired Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic MPI Injector Upgrade Kit for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic UniFLEX Hardware Kit (w\/ sensor) for 2.0TSI EVO4 and 8Y RS3 2.5TFSI\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eUniFLEX Hardware Kit and MPI Upgrade only required if using UniFLEX or E85 Software.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRecommended Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic 4 inch Forged Carbon Fiber Intake System for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Intake System for RS3 and TTRS, 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4-inch Turbo Inlet Elbow for 8Y RS3\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System w\/ Air Guide\u003c\/li\u003e\n\u003cli\u003eUnitronic DQ501 Unlocked TCU\u003c\/li\u003e\n\u003cli\u003eUnitronic Intercooler for 8Y RS3, 8V.2 RS3 and 8S TTRS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRelated Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic Race Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Street Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eUnitronic Stage 2 91 Octane: \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e531HP \/ 490LB-FT\u003c\/h2\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003eUnitronic Stage 2 Performance Software is precisely calibrated for use with 91 octane \/ 95 RON fuel.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePerformance Software for your ECU Box Code is subject to availability.\u003c\/b\u003e \u003cbr\u003e\u003cbr\u003e\u003cb\u003e2022+ models require to have the hood opened during the flashing process.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/gallery\/swpage\/UniFLex-Logo-checkmark-2023-Black-red.png\" alt=\"UniFLEX\" title=\"UniFLEX\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic FLEX fuel enabled ECU Performance Software Calibrations\u003c\/b\u003e are available for this platform allowing for seamless transitions between 100% gasoline to 85% ethanol and anything in between, without requiring an ECU reflash. \u003cb\u003eThis FLEX enabled Software is available for an additional fee and it covers all lower stages up until your highest purchased stage as well.\u003c\/b\u003e UniFLEX Hardware is required in order to take advantage of these FLEX enabled calibrations. Please contact Unitronic or your local Authorized Dealer to learn more. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic Advanced Features (UAF)\u003c\/b\u003e are also available for this platform. Thanks to proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control over Pops and Bangs, Launch Control Settings and Rolling Launch Control for true adjustability directly from the driver’s seat. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/blog\/uaf-release\/FeatureBox-Logo-checkmark-2025-black-red-1-.png\" alt=\"FeatureBox\" title=\"FeatureBox\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic Advanced Features (UAF)\u003c\/b\u003e are also available for this platform. Thanks to proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control over Pops and Bangs, Launch Control Settings and Rolling Launch Control for true adjustability directly from the driver’s seat. If the vehicle is not equipped with UniFLEX, Unitronic's FeatureBox allows for seamless integration with the all-new UAF Control mobile app. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eClick \u003ca href=\"https:\/\/www.getunitronic.com\/news\/8y-rs3-software\"\u003eHERE\u003c\/a\u003e to learn more about the Unitronic Performance Software Suite for the 8Y RS3.\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eEngineered with Strict Industry Standards\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eWith over 10 years of experience with Bosch and Siemens engine management systems and calibrations, Unitronic is able to utilize its expertise, industry leading tools and equipment to ensure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eExtensively Tested Under Various Driving Conditions\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eDevelopment begins using Unitronic’s in-house Maha Chassis dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Beta calibrations are then tested in street and track scenarios, using multiple cars under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eFactory Safety Limiters Retained\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in reliability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Responsiveness, Smoothness, Drivability, and Comfort\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard acceleration.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Maximum Output\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU Calibrators deliver the maximum power output while staying within the operational limits of the factory engine and drivetrain components. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine and drivetrain components.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003ePower Delivery Perfectly Optimized Throughout the Power Band\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eAligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and linear power band. Maximum torque output is achieved sooner and maintained longer which creates a broader torque plateau and greater area under the curve. This results in an improved acceleration and optimal engine operation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eImproved Fuel Efficiency\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOptimized timing and injection in cruising condition allows for an improved fuel efficiency, under normalized driving conditions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eIgnition Timing Precisely Calibrated for Higher Octane Fuel\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eEngine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eSpeed Governor Removed\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eVehicle speed limiter within ECU is removed. (Subject to transmission rotational speed limit.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRequired Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e2.5TFSI EVO Spark Plug Set (NGK R7437-9) by Unitronic\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Forged Carbon Fiber Intake System for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Intake System for RS3 and TTRS, 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4-inch Turbo Inlet Elbow for 8Y RS3\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System w\/ Air Guide\u003c\/li\u003e\n\u003cli\u003eUnitronic Downpipe w\/ Midpipes for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Intercooler for 8Y RS3, 8V.2 RS3 and 8S TTRS\u003c\/li\u003e\n\u003cli\u003eUnitronic MPI Injector Upgrade Kit for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic UniFLEX Hardware Kit (w\/ sensor) for 2.0TSI EVO4 and 8Y RS3 2.5TFSI\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eUniFLEX Hardware Kit and MPI Upgrade only required if using UniFLEX or E85 Software.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRecommended Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic DQ501 Unlocked TCU\u003c\/li\u003e\n\u003cli\u003eUnitronic Race Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Street Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eUnitronic Stage 2+ 93 Octane: \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e565HP \/ 506LB-FT\u003c\/h2\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003eUnitronic Stage 2 Performance Software is precisely calibrated for use with 93 octane \/ 98 RON fuel.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePerformance Software for your ECU Box Code is subject to availability.\u003c\/b\u003e \u003cbr\u003e\u003cbr\u003e\u003cb\u003e2022+ models require to have the hood opened during the flashing process.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/gallery\/swpage\/UniFLex-Logo-checkmark-2023-Black-red.png\" alt=\"UniFLEX\" title=\"UniFLEX\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic FLEX fuel enabled ECU Performance Software Calibrations\u003c\/b\u003e are available for this platform allowing for seamless transitions between 100% gasoline to 85% ethanol and anything in between, without requiring an ECU reflash. \u003cb\u003eThis FLEX enabled Software is available for an additional fee and it covers all lower stages up until your highest purchased stage as well.\u003c\/b\u003e UniFLEX Hardware is required in order to take advantage of these FLEX enabled calibrations. Please contact Unitronic or your local Authorized Dealer to learn more. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/blog\/uaf-release\/FeatureBox-Logo-checkmark-2025-black-red-1-.png\" alt=\"FeatureBox\" title=\"FeatureBox\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic Advanced Features (UAF)\u003c\/b\u003e are also available for this platform. Thanks to proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control over Pops and Bangs, Launch Control Settings and Rolling Launch Control for true adjustability directly from the driver’s seat. If the vehicle is not equipped with UniFLEX, Unitronic's FeatureBox allows for seamless integration with the all-new UAF Control mobile app. \u003cbr\u003e\u003cbr\u003eWhen purchasing this upgrade, please be prepared to provide Unitronic with the vehicle’s \u003cb\u003eECU ID, ECU Revision, VIN and Long Coding\u003c\/b\u003e to ensure proper configuration. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eClick \u003ca href=\"https:\/\/www.getunitronic.com\/news\/8y-rs3-software\"\u003eHERE\u003c\/a\u003e to learn more about the Unitronic Performance Software Suite for the 8Y RS3.\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eEngineered with Strict Industry Standards\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eWith over 10 years of experience with Bosch and Siemens engine management systems and calibrations, Unitronic is able to utilize its expertise, industry leading tools and equipment to ensure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eExtensively Tested Under Various Driving Conditions\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eDevelopment begins using Unitronic’s in-house Maha Chassis dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Beta calibrations are then tested in street and track scenarios, using multiple cars under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eFactory Safety Limiters Retained\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in reliability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Responsiveness, Smoothness, Drivability, and Comfort\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard acceleration.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Maximum Output\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU Calibrators deliver the maximum power output while staying within the operational limits of the factory engine and drivetrain components. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine and drivetrain components.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003ePower Delivery Perfectly Optimized Throughout the Power Band\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eAligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and linear power band. Maximum torque output is achieved sooner and maintained longer which creates a broader torque plateau and greater area under the curve. This results in an improved acceleration and optimal engine operation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eImproved Fuel Efficiency\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOptimized timing and injection in cruising condition allows for an improved fuel efficiency, under normalized driving conditions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eIgnition Timing Precisely Calibrated for Higher Octane Fuel\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eEngine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eSpeed Governor Removed\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eVehicle speed limiter within ECU is removed. (Subject to transmission rotational speed limit.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRequired Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e2.5TFSI EVO Spark Plug Set (NGK R7437-9) by Unitronic\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Forged Carbon Fiber Intake System for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Intake System for RS3 and TTRS, 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4-inch Turbo Inlet Elbow for 8Y RS3\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System w\/ Air Guide\u003c\/li\u003e\n\u003cli\u003eUnitronic Downpipe w\/ Midpipes for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Intercooler for 8Y RS3, 8V.2 RS3 and 8S TTRS\u003c\/li\u003e\n\u003cli\u003eUnitronic MPI Injector Upgrade Kit for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic UniFLEX Hardware Kit (w\/ sensor) for 2.0TSI EVO4 and 8Y RS3 2.5TFSI\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eUniFLEX Hardware Kit and MPI Upgrade only required if using UniFLEX or E85 Software.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRecommended Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic DQ501 Unlocked TCU\u003c\/li\u003e\n\u003cli\u003eUnitronic Race Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Street Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e\u003cstrong\u003eUnitronic Stage 2+ E60-E85 : \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 class=\"floatLeft\" style=\"clear: left; padding-top: 3px;\"\u003e638HP \/ 534LB-FT\u003c\/h2\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003eUnitronic Stage 2 E85 Performance Software is precisely calibrated for use with E60-E85 ethanol blends.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePerformance Software for your ECU Box Code is subject to availability.\u003c\/b\u003e \u003cbr\u003e\u003cbr\u003e\u003cb\u003e2022+ models require to have the hood opened during the flashing process.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/gallery\/swpage\/UniFLex-Logo-checkmark-2023-Black-red.png\" alt=\"UniFLEX\" title=\"UniFLEX\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic FLEX fuel enabled ECU Performance Software Calibrations\u003c\/b\u003e are available for this platform allowing for seamless transitions between 100% gasoline to 85% ethanol and anything in between, without requiring an ECU reflash. \u003cb\u003eThis FLEX enabled Software is available for an additional fee and it covers all lower stages up until your highest purchased stage as well.\u003c\/b\u003e UniFLEX Hardware is required in order to take advantage of these FLEX enabled calibrations. Please contact Unitronic or your local Authorized Dealer to learn more. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"width: 49%;\" src=\"https:\/\/www.getunitronic.com\/media\/images\/blog\/uaf-release\/FeatureBox-Logo-checkmark-2025-black-red-1-.png\" alt=\"FeatureBox\" title=\"FeatureBox\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnitronic Advanced Features (UAF)\u003c\/b\u003e are also available for this platform. Thanks to proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control over Pops and Bangs, Launch Control Settings and Rolling Launch Control for true adjustability directly from the driver’s seat. If the vehicle is not equipped with UniFLEX, Unitronic's FeatureBox allows for seamless integration with the all-new UAF Control mobile app. \u003cbr\u003e\u003cbr\u003eWhen purchasing this upgrade, please be prepared to provide Unitronic with the vehicle’s \u003cb\u003eECU ID, ECU Revision, VIN and Long Coding\u003c\/b\u003e to ensure proper configuration. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eClick \u003ca href=\"https:\/\/www.getunitronic.com\/news\/8y-rs3-software\"\u003eHERE\u003c\/a\u003e to learn more about the Unitronic Performance Software Suite for the 8Y RS3.\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eEngineered with Strict Industry Standards\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eWith over 10 years of experience with Bosch and Siemens engine management systems and calibrations, Unitronic is able to utilize its expertise, industry leading tools and equipment to ensure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eExtensively Tested Under Various Driving Conditions\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eDevelopment begins using Unitronic’s in-house Maha Chassis dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Beta calibrations are then tested in street and track scenarios, using multiple cars under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eFactory Safety Limiters Retained\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in reliability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Responsiveness, Smoothness, Drivability, and Comfort\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard acceleration.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eOptimized Maximum Output\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eUnitronic’s ECU Calibrators deliver the maximum power output while staying within the operational limits of the factory engine and drivetrain components. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine and drivetrain components.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003ePower Delivery Perfectly Optimized Throughout the Power Band\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eAligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and linear power band. Maximum torque output is achieved sooner and maintained longer which creates a broader torque plateau and greater area under the curve. This results in an improved acceleration and optimal engine operation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eImproved Fuel Efficiency\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eOptimized timing and injection in cruising condition allows for an improved fuel efficiency, under normalized driving conditions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eIgnition Timing Precisely Calibrated for Higher Octane Fuel\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eEngine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003cu\u003eSpeed Governor Removed\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003eVehicle speed limiter within ECU is removed. (Subject to transmission rotational speed limit.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRequired Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003e2.5TFSI EVO Spark Plug Set (NGK R7437-9) by Unitronic\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Forged Carbon Fiber Intake System for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4 inch Intake System for RS3 and TTRS, 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic 4-inch Turbo Inlet Elbow for 8Y RS3\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System\u003c\/li\u003e\n\u003cli\u003eUnitronic 5-Inch Intake System w\/ Air Guide\u003c\/li\u003e\n\u003cli\u003eUnitronic Downpipe w\/ Midpipes for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Intercooler for 8Y RS3, 8V.2 RS3 and 8S TTRS\u003c\/li\u003e\n\u003cli\u003eUnitronic MPI Injector Upgrade Kit for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic UniFLEX Hardware Kit (w\/ sensor) for 2.0TSI EVO4 and 8Y RS3 2.5TFSI\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eUniFLEX Hardware Kit only required if using UniFLEX Software.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"subBlock\"\u003e\n\u003cbr\u003e\n\u003cdiv class=\"subBlockTextWrapper\"\u003e\n\u003cdiv class=\"textTitle\"\u003e\u003cstrong\u003eRecommended Hardware\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"subBlockTextDescription\"\u003e\n\u003cul\u003e\n\u003cli\u003eUnitronic DQ501 Unlocked TCU\u003c\/li\u003e\n\u003cli\u003eUnitronic Race Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003cli\u003eUnitronic Street Dogbone Engine Mount for 2.5TFSI EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Unitronic","offers":[{"title":"Send in ECU \/ Stage 1 91 Octane \/ Yes","offer_id":47299328147633,"sku":"UNI-8Y-2.5-STG1-UFLEX","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 1 91 Octane \/ No","offer_id":47299363078321,"sku":"UNI-8Y-2.5-STG1","price":2300.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 1+ 93 Octane \/ Yes","offer_id":47299328180401,"sku":"UNI-8Y-2.5-STG1+-UFLEX","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 1+ 93 Octane \/ No","offer_id":47299363111089,"sku":"UNI-8Y-2.5-STG1+","price":2400.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 1+ E60-E85 \/ Yes","offer_id":47299328213169,"sku":"UNI-8Y-2.5-STG1+E-UFLEX","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 1+ E60-E85 \/ No","offer_id":47299363143857,"sku":"UNI-8Y-2.5-STG1+E","price":2400.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 2 91 Octane \/ Yes","offer_id":47299328245937,"sku":"UNI-8Y-2.5-STG2-UFLEX","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 2 91 Octane \/ No","offer_id":47299363176625,"sku":"UNI-8Y-2.5-STG2","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 2+ 93 Octane \/ Yes","offer_id":47299328278705,"sku":"UNI-8Y-2.5-STG2+-UFLEX","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 2+ 93 Octane \/ No","offer_id":47299363209393,"sku":"UNI-8Y-2.5-STG2+","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 2+ E60-E85 \/ Yes","offer_id":47299328311473,"sku":"UNI-8Y-2.5-STG2+E-UFLEX","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"Send in ECU \/ Stage 2+ E60-E85 \/ No","offer_id":47299363242161,"sku":"UNI-8Y-2.5-STG2+E","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 1 91 Octane \/ Yes","offer_id":47299328344241,"sku":"UNI-8Y-2.5-STG1-UFLEX-CE","price":4525.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 1 91 Octane \/ No","offer_id":47299363274929,"sku":"UNI-8Y-2.5-STG1-CE","price":4025.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 1+ 93 Octane \/ Yes","offer_id":47299328377009,"sku":"UNI-8Y-2.5-STG1+-UFLEX-CE","price":4625.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 1+ 93 Octane \/ No","offer_id":47299363307697,"sku":"UNI-8Y-2.5-STG1+-CE","price":4125.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 1+ E60-E85 \/ Yes","offer_id":47299328409777,"sku":"UNI-8Y-2.5-STG1+E-UFLEX-CE","price":4625.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 1+ E60-E85 \/ No","offer_id":47299363340465,"sku":"UNI-8Y-2.5-STG1+E-CE","price":4125.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 2 91 Octane \/ Yes","offer_id":47299328442545,"sku":"UNI-8Y-2.5-STG2-UFLEX-CE","price":4725.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 2 91 Octane \/ No","offer_id":47299363373233,"sku":"UNI-8Y-2.5-STG2-CE","price":4225.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 2+ 93 Octane \/ Yes","offer_id":47299328475313,"sku":"UNI-8Y-2.5-STG2+-UFLEX-CE","price":4725.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 2+ 93 Octane \/ No","offer_id":47299363406001,"sku":"UNI-8Y-2.5-STG2+-CE","price":4225.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 2+ E60-E85 \/ Yes","offer_id":47299328508081,"sku":"UNI-8Y-2.5-STG2+E-UFLEX-CE","price":4725.0,"currency_code":"USD","in_stock":true},{"title":"Core Exchange (Refundable Deposit) \/ Stage 2+ E60-E85 \/ No","offer_id":47299363438769,"sku":"UNI-8Y-2.5-STG2+E-CE","price":4225.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 1 91 Octane \/ Yes","offer_id":47299328540849,"sku":"UNI-8Y-2.5-STG1-UFLEX-R","price":4325.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 1 91 Octane \/ No","offer_id":47299363471537,"sku":"UNI-8Y-2.5-STG1-R","price":3825.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 1+ 93 Octane \/ Yes","offer_id":47299328573617,"sku":"UNI-8Y-2.5-STG1+-UFLEX-R","price":4425.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 1+ 93 Octane \/ No","offer_id":47299363504305,"sku":"UNI-8Y-2.5-STG1+-R","price":3925.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 1+ E60-E85 \/ Yes","offer_id":47299328606385,"sku":"UNI-8Y-2.5-STG1+E-UFLEX-R","price":4425.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 1+ E60-E85 \/ No","offer_id":47299363537073,"sku":"UNI-8Y-2.5-STG1+E-R","price":3925.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 2 91 Octane \/ Yes","offer_id":47299328639153,"sku":"UNI-8Y-2.5-STG2-UFLEX-R","price":4525.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 2 91 Octane \/ No","offer_id":47299363569841,"sku":"UNI-8Y-2.5-STG2-R","price":4025.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 2+ 93 Octane \/ Yes","offer_id":47299328671921,"sku":"UNI-8Y-2.5-STG2+-UFLEX-R","price":4525.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 2+ 93 Octane \/ No","offer_id":47299363602609,"sku":"UNI-8Y-2.5-STG2+-R","price":4025.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 2+ E60-E85 \/ Yes","offer_id":47299328704689,"sku":"UNI-8Y-2.5-STG2+E-UFLEX-R","price":4525.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ECU \/ Stage 2+ E60-E85 \/ No","offer_id":47299363635377,"sku":"UNI-8Y-2.5-STG2+E-R","price":4025.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/UniStage1_de023a56-04c5-4c9f-b26a-2882588800eb.png?v=1779196775","url":"https:\/\/hstuning.com\/products\/unitronic-performance-ecu-software-audi-rs3-8y","provider":"HS Tuning ","version":"1.0","type":"link"}