APR ECU Upgrade - 2.5T EA855 EVO. 2.5T I5 Engine Tune for the Audi RS3 17-20, TT RS Quattro 18-22

The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 409-442 HP and 438-482 FT-LBS of torque. APR Stage 1 is available for 91 AKI, 93 AKI, and 100 AKI in North America, and 95 RON, 98 RON, and 104 AKI in the Rest of the World.

The APR Intercooler System is a massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! The system is an easy to install, direct bolt-on design, that is recommended at every stage of performance. Increases HP while minimizing power-robbing heat soak!

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.5T EA855 EVO (Gen 2) engine! APR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 2.5T engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle.

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.5T engine! APR’s ECU Upgrades are the best price-per-horsepower modification one can make to the 2.5T engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle.

The APR RS3 and TTRS Catback Exhaust system is here! May 9th, 2023. The APR Catback Exhaust System personalizes your vehicle’s looks, sound and performance. Beautifully hand-crafted T304-stainless-steel components adorn the system with stunning TIG-welding throughout.

APR 2.5 TFSI EVO Turbocharger Intake & Inlet System For Audi RS3 & TTRS (Complete Kit System) The APR Turbocharger Inlet System outflows the factory components by up to 45%, and jump to 60% when adding the APR Intake Filter. This is firstly a ...

APR develops and manufactures hardware, software, calibration & data-logging tools for engine and transmission controllers, including intakes, exhaust systems, intercoolers, turbocharger systems, suspension, brake systems, wheels, and more.

The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 459-542 HP with 451-500 FT-LBS of torque. To get more power, the vehicle can be outfitted with an upgraded intake, intercooler, catback exhaust, and various other bolt-on modifications all without ...