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S4 There are 3 products.

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  • B9 S5 Downpipe Video HJS 200 B9 S5 Redstar HJS200 Downpipe Supersprint Catback REDSTAR performance downpipe for the new 2017+ B9 S4 & S5 3.0 TFSI with single-turbo engine. Our downpipes utilizes a big bore design with smooth transitions for maximum flow and efficiency. REDSTAR is the only manufacturer who offer so many modifications to choose from. 

  • 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! Lead time on Headers is 4-6 weeks,...

  • 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.

Showing 1 - 3 of 3 items