Audi S4 B7 - Non-Resonated (Louder) Cat-Back Exhaust System with Polished Trims Model_Mk5 GTI 2.0 T FSI (1K) (04-09) the M240i is fitted with

the M240i is fitted with a PPF (petrol particulate filter)

the sound of the car from the factory has been severely limited offering a lacklustre and uninspiring exhaust sound

A reduction in friction of up to 26% plus a reduction in wear compared to a standard engine oil

and our range of cosmetic upgrades allows them to achieve this

Fits E92 Coupe & E91 Estate 2007-2011

Audi S4 B7 - Non-Resonated (Louder) Cat-Back Exhaust System with Polished Trims Model_Mk5 GTI 2.0 T FSI (1K) (04-09) the M240i is fitted withOur 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