- Find Your Parts
- Clear Selection
Sort By:
Availability
price
-
to
vehicle: Audi RS3
Applied Filters:Clear All
Items 1 - 9 of 9 Items
Sort By:
Best-SellerAPRAPR Ultralink Fits Most APR ECU/TCU supported vehicles - Audi / VW / Porsche / Bentley / Lamborghini$184.95
TrendingAPRAPR Throttle Booster - w/ Wireless Controller and Bluetooth Mobile App Fits Various 2004-2025 VW/Audi/Bentley/Lamborghini/Porsche Vehicles$299.95
APRAPR Suspension Control Unit Upgrade - MQB - Audi Magride Fits 2015-2018 Audi A3 Quattro/A3 Sportback e-tron - 2017-2020 Audi RS3 - 2015-2020 Audi S3 - 2016-2023 Audi TT Quattro/TTS Quattro - 2018-2022 Audi TT RS Quattro$1,499.95
APRAPR Stage 2 AWD Controller Software for Gen 5 Haldex Stage 2 AWD Upgrade Software redefines what's possible using an OEM Haldex controller, with a minor clutch spring change.$549.95- TrendingAPRAPR Stage 1 AWD Controller Software for Gen 5 Haldex Stage 1 software-only direct flash of the OEM Haldex control unit$449.95
APRAPR ECU Upgrade - 2.5T EA855 EVO 2.5T I5 Engine Tune for the Audi RS3 17-20, TT RS Quattro 18-22Part# ECU-25T-EA855-EVOIn Stock$764.95- APRAPR ECU Upgrade - 2.5T MG1CS163 (8Y RS3) Fits Audi RS3 (8Y) '22-24 and Cupra Formentor VZ5 2.5T EA855 EVO$1,199.95
APRAPR Upgrade: Stage 1 to 2 AWD Controller Software for Gen 5 Haldex Upgrade for existing customers to flash Stage 2 AWD Controller Software - VW Golf R Mk7 & Audi RS3 8VPart# SW300001-12In Stock$99.95
APRAPR TCU Upgrade - 7 Speed DSG and S Tronic (DQ500) 7-Speed Transmission Tune for the Audi RS3 17-20, TT RS Quattro 18-22Part# TCU-DQ500-MQBIn Stock$649.95
Audi RS3 Software & Tuning
APR’s software and tuning solutions deliver refined performance engineering—precision ECU and TCU calibrations, along with inline modules, that elevate power, transmission response and driving dynamics while maintaining the integrity of your European vehicle’s factory systems.