Fabspeed Audi RS6/RS7 C8 Sport Cat Downpipes

The Fabspeed Audi RS6/RS7 (C8) Sport Cat Downpipes (2019+) are high-performance downpipes designed to improve exhaust flow and turbocharger response while retaining high-flow catalytic converters for a more balanced performance upgrade.

Designed specifically for the Audi RS6 Avant (C8) and Audi RS7 Sportback (C8) from 2019 onward, the downpipes replace the restrictive factory units with a freer-flowing design engineered to reduce exhaust backpressure and improve the flow characteristics of the twin-turbocharged 4.0-liter V8.

The system features high-flow 200-cell catalytic converters, providing a less restrictive exhaust path than the factory configuration while retaining catalytic converter functionality. This makes the Sport Cat Downpipes a performance-focused alternative to completely catless downpipes.

By reducing restriction immediately after the turbochargers, the upgraded downpipes help improve turbocharger response and exhaust flow, allowing the 4.0 TFSI V8 to breathe more efficiently. Drivers can also expect a more pronounced and aggressive exhaust note, with greater turbocharger presence and a deeper V8 character.

Fabspeed engineered the downpipes specifically around the C8 RS6 and RS7 platform, using high-quality stainless-steel construction designed to withstand the extreme temperatures and exhaust flow generated by the twin-turbo V8.

The Sport Cat Downpipes are designed to work with the factory exhaust system as well as compatible aftermarket exhaust components, allowing owners to build a complete performance exhaust setup according to their desired sound and flow characteristics.

Installation is designed as a direct-fit replacement for the factory downpipes, providing a clean installation without requiring modification to the vehicle's chassis or exhaust routing.

For Audi RS6 and RS7 C8 owners looking for a significant exhaust-flow upgrade while retaining catalytic converters, the Fabspeed Sport Cat Downpipes combine high-flow 200-cell catalysts, improved turbo response and a more aggressive V8 exhaust character.