The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 459-542 HP and 451-500 FT-LBS of torque. This stage has optional high and low grip modes …

The 034Motorsport Dynamic+ Stage 1 & Stage 2 Tuning Software for the 8V.5 Audi RS3 and 8S Audi TT-RS equipped with the EA855 2.5TFSI EVO engine is designed to transform the …

Maximize your Audi 8Y RS3's performance with our top mods and upgrades guide. Explore essential ECU tunes, exhausts, intakes, and more to boost power and handling. Elevate your …

The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal …

Learn more about our performance products for your Audi RS3 8V 2.5TFSI 2017-2018. Unitronic offers performance software and hardware for VW and Audi.

The sporty compact RS3 shoots from 0 to 100 km/h in 3.45 seconds - an impressive 0.35 seconds off the standard. If desired, we can also significantly increase the electronically controlled top …

Shop our selection of OEM Audi parts, aftermarket performance parts and upgrades for the 2017-2020 8V and 2022+ 8Y RS3.

Take a look through our extensive range of Performance Upgrades and our race-proven, road-optimised tuning programme, OEM+. All developed and proven on road, track and dyno. …

VR Tuned ECU Tuning is done by altering the parameters to maximize output while keeping your vehicle safe and reliable with no check engine lights. VR Tuned offers the best and most …