Audi A4 1.8T B6 Quattro - Resonated (Quieter) Cat-Back Exhaust System with 90mm Trims Model_M4 (F82) Coupe 2014-19 GPF-Back (Resonated Rear Box Delete)

GPF-Back (Resonated Rear Box Delete) Cupra Mode Test Results:

The new Mercedes-AMG A 45 S has a 2

4% increase was achieved in BHP

more aggressive tone further adds to the sporting intent of the Cooper S and JCW

Audi A4 1.8T B6 Quattro - Resonated (Quieter) Cat-Back Exhaust System with 90mm Trims Model_M4 (F82) Coupe 2014-19 GPF-Back (Resonated Rear Box Delete)Our 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