S4

Unleash the potential of your 2017+ B9 S4 & S5 3.0T with REDSTAR EXHAUST's high-performance downpipe. Our expansive bore design optimizes flow and efficiency, providing unparalleled customization possibilities for boosting power. B9 S5 Redstar HJS200 Downpipe Supersprint Catback video

RedStar Exhaust's long tube headers are the quintessential modification for your Audi 3.0 TFSI supercharged engine. Rigorously tested and proven on the dyno, this design easily adds 30HP without requiring any other modifications. With the right tune and complementary mods, you can achieve a remarkable 500+HP. These headers seamlessly replace the stock...

Enhance your Audi's performance with REDSTAR EXHAUST Test Pipes. Tailored to impeccably fit various Audi models - S4, S5, A5, A6, A7, A8, Q5, and SQ5 - all powered by the robust 3.0 TFSI supercharged engine.