B8 S4 Heat Shielded Test pipes with Non Res Milltek Catback B8 S4 Gesi Catted Heat shielded B8 S4 Polo Catback / Redstar Gesi catted test pipes REDSTAR Performance test pipes fit all Audi S4 S5 A5 A6 A7 A8 Q5 SQ5 with 3.0 TFSI supercharged engine.
Our RSE long tube headers is the ultimate mod for your Audi 3.0 TFSI supercharged engine. They replace both the stock high restrictive iron manifolds and catalytic converters. Dyno tested and proved design to gain 30hp easily with no other modifications. You can get even more, 500+hp with proper tune and other mods!