BMW F80 M3/F82 M4 - Equal Length (Loudest) Cat-Back Exhaust System with Polished Trims Oil part throttle or idle the

part throttle or idle the volume is both subtle

This gave a huge increase in performance

the Cobra Sport PPF Delete is the most cost-effective way to improve the sound of the stock M240i

Fitment will require ECU update at time of fitment to cancel the EML light

Please note: The 'UK/Europe: Pre-PPF' and 'Rest of the world' fitment options will not fit models equipped with a GPF (Gasoline Particulate Filter)

BMW F80 M3/F82 M4 - Equal Length (Loudest) Cat-Back Exhaust System with Polished Trims Oil part throttle or idle theOur 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