AWE Tuning offers a performance downpipe for the Audi B9 S4 & S5. The downpipe features a precision CNC-machined billet T304 stainless steel flange, massive 145mm 200CPSI EURO 6 HJS catalyst with a tri-lobe core, and 2.5‰ T304L stainless steel make up the Performance Catalyst‰۪s construction for high-flow decongestion and an additionalåÊ23 hp and 27 ft-lbs of torque to the crank.
- Max gains of 12 hp and 15 ft-lbs of torque at theåÊwheels
- Specifically engineered downpipe resonators for use with the catalyst available separately
- A precision CNC-machined billet T304 stainless steel flange
- 145mm 200CPSI EURO6 HJS HD catalyst with tri-lobe core
- Proudly engineered, designed, and manufactured in-house at AWE, in the USA
- Direct bolt-on system, factory-like install simplicity
- Perfect fitment - guaranteed
- No Check Engine Light - guaranteed
- Featuring the AWE Lifetime Exhaust Warranty
Note: exhausts labeled "Resonated for Performance Catalyst " and the Resonator Conversion Kit are recommended to be used with the Performance Catalyst, but not required. However, Performance Catalysts may not be returned (absent manufacturer defect under normal warranty guidelines) if being run without the recommended exhaust configurations.