Audi A4 2.0 B9 Quattro - Non-Resonated (Louder) Cat-Back Exhaust System with Dual GT-100 Cerakote Black Trims AEM If you're fitting it to

If you're fitting it to a car equipped with one of our downpipes

This follows the OE design which is called to be replaced after EVERY oil change service

Only fits to BM109 Cobra Sport PPF/Resonator Delete Pipework Only

Complete assembly with calibrated electric actuator and ancillary components for OE fitment485 flywheel horsepower capability (on-vehicle results) +17% flow compared to IS38 turbo (stock Golf R)GTX Gen II compressor wheel aero

The B7 RS4 is widely regarded as one of the most exciting and capable cars of it time

Audi A4 2.0 B9 Quattro - Non-Resonated (Louder) Cat-Back Exhaust System with Dual GT-100 Cerakote Black Trims AEM If you're fitting it toOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system