Milltek Particulate Filter-back System - BMW 2 Series M240i Coupé (G42 XDrive OPF/GPF Models Only)OPF GPF Back, Requires OE System to be Cut ECE Approved 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