4.5 Inch FWD 2.0T Audi 8V A3 Downpipe & VW Golf Mk7 Downpipe - ARM Motorsports S63 Enhanced Horsepower: Gain real power

Enhanced Horsepower: Gain real power on the road with optimized airflow and performance tuning

and Windows compatible

Improve air flow into the engine bay

the JB4 allows you to go from factory stock to full race and everywhere in between

the ability to control the exhaust flapper using your BC button

4.5 Inch FWD 2.0T Audi 8V A3 Downpipe & VW Golf Mk7 Downpipe - ARM Motorsports S63 Enhanced Horsepower: Gain real powerThe ARM MK7 4. 5" GTI Downpipe & Audi A3 8V 2. 0T Downpipe is engineered to deliver maximum performance. Featuring a full 4. 5" mandrel bent body, this is the largest and most effective downpipe available for the A3 8V & MK7 platform. Whether you're running the stock IS20, upgraded IS38, or a hybrid turbo, this downpipe supports your build with unrestricted exhaust flow and a commanding exhaust tone. The restrictive stock downpipe on the EA888