The Fabspeed Audi RS6 / RS7 (C8) Sport Cat Downpipes features:
Fabspeed Motorsport AMG GT/GTR/GTS Sport Catalytic Converters are precision-crafted from premium T304L stainless steel and utilize HJS Germany Tri-Metallic 200-cell catalysts for unmatched performance and durability. Designed to enhance the AMG GT's signature sound and power, these sport cats replace restrictive factory 800-cell catalytic converters, offering improved exhaust flow, quicker turbo spooling, and sharper transient turbo response. Certified HJS components ensure genuine quality, eliminating the risk of counterfeit parts.
 
SOUND:
By replacing restrictive factory catalytic converters, these Sport Cats deliver a more aggressive and exotic exhaust note, highlighting the twin-turbocharged V8's character. Expect louder pops, bangs, and crackles with no interior drone.
 
POWER:
Dyno-tested in-house, these Sport Cats deliver max gains of +21 whp (+25 hp at the crank) and +42 ft/lbs of torque, providing increased performance throughout the RPM range.
 
FEATURES:
Fits all Audi RS6 / RS7 (C8) (2019+) worldwide.
Reduces turbo lag and improves spool time.
World’s largest HJS high-flow 200-cell tri-metallic catalytic converters.
Proven to support over 1500 WHP on McLarens.
No CEL (Check Engine Light) guaranteed.
Laser-scanned and CAD-designed for perfect OEM fitment.
Constructed with mandrel-bent T304L stainless steel for durability.
Bolt-on installation—no cutting or welding required.
Backed by the Fabspeed Lifetime Warranty.
 
Why Choose HJS Catalytic Converters?
HJS German-imported catalytic converters are made from the highest-grade materials, ensuring longevity and high performance. They flow 93-95% as effectively as straight pipes, offering a "straight pipe" sound while maintaining emissions compliance to avoid CELs.
 
DISCLAIMER:
This product removes the OEM catalytic converters and is strictly intended for closed-track events and off-road use. It is not CARB or EPA certified and does not comply with emissions standards in California. Buyers are responsible for checking local regulations before purchase and installation.
 
PURCHASE DISCLAIMER:
Fabspeed Motorsport adheres to federal regulations and does not tamper with emissions equipment. This includes refraining from modifying a vehicle’s ECU to enable emissions equipment removal. Customers assume all risks associated with use and installation.