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This Untd. Performance Braided flex downpipe features 3″ tapered to 2.5″ piping to achieve horsepower gains across the entire RPM range on 2.7L Audi S4/RS4 (B5) and A6/Allroad (C5). Catalytic converter is removed to eliminate restrictions on exhaust flow.
The unique hybrid design of the inlet flanges enables direct bolt-on for stock K03 turbo, upgrade K04 turbo and custom built RS6 turbo. -
Crank up the intensity and let your twin-turbo V8 breathe free with the Untd. Performance Catless Downpipe for the Audi C8 RS6 and RS7. Designed for unrestricted power and unfiltered sound, this downpipe removes factory catalytic converters to deliver maximum flow, faster turbo response, and a raw exhaust note that transforms your RS into a true performance weapon.
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Unleash the full fury of your twin-turbo 4.0T V8 with the Untd. Performance Catless Downpipe w/ Heat Shield for the Audi C8 RS6 and RS7. Designed to eliminate restriction and optimize exhaust flow, this downpipe not only wakes up your powerband but brings out the raw, aggressive character your RS was built for. Integrated thermal shielding ensures performance stays consistent, even under extreme heat and heavy load.
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