Downpipe Set, B9 RS5

The 034Motorsport Stainless Steel Racing Catalyst Set for B9/B9.5 Audi RS5 is designed as a drop-in replacement for the restrictive factory catalytic converters. It offers increased horsepower and torque, reduced turbocharger lag, improved throttle response, and enhanced exhaust note. This upgrade eliminates the primary flow limitation in the factory exhaust system, maximizing the potential of the turbocharged engine. It features two massive Euro3 racing catalytic converters in the factory locations, integrated v-band flange at the turbine outlets, integrated oxygen sensor bung, integrated 3-bolt downpipe flanges, and a complete gasket/hardware kit. Constructed from 304 stainless steel for maximum durability and corrosion resistance, it is TIG-welded and backpurged, and includes an integrated OE style heat isolation barrier to minimize exhaust heat transferred into the engine bay.