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

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

5mm pipework and fit from the centre section backwards replacing the standard rear section with dual exit tailpipes

Eliminating the catalyst will greatly enhance the gas-flow and the performance

GPF Back Test Results (Efficient Mode):

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