Stainless Steel Racing Catalyst
Maximize the potential of your B9 S4 or S5 engine with the 034Motorsport Stainless Steel Racing Catalyst! This drop-in upgrade improves the power of your turbocharged Audi engine across the power band, increases throttle response, decreases turbo lag, and provides a stellar sound that makes your driving experience even more fun.
Stainless Steel Racing Catalyst
For Audi B9 S4/S5
Stainless Steel Racing Catalyst for B9 Audi S4/S5
Offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note
X34 Carbon Fiber Cold Air Intake System
Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package
X34 Carbon Fiber Intake Air Duct
The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System
*To be used with 034Motorsport X34 Intake System or most aftermarket intakes that utilize the OEM air duct*