APR Air-To-Water Intercooler - Audi RS4/RS5 B9 x series Billet turbo adapter rings make

Billet turbo adapter rings make fitting this system to larger turbo possible

Volkswagen GTI Rear Boot Badge (2021+ Version)

otherwise your bumper may require trimming

Triple-pass design for improved cooling

APR Air-To-Water Intercooler - Audi RS4/RS5 B9 x series Billet turbo adapter rings makeThe APR Air to Water Intercooler System for the B9 RS4 RS5 2. 9T EA839 offers a substantial leap in performance that directly translates to more horsepower and torque, and consistent performance thats unmatched by the factory cooler. The factory cooler struggles to cool the charged air resulting in excessive intake air temperature due to its small size. This struggle results in ECU protecting the engine by pulling power during a single quarter mile