Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) Our manufacturing process also yields

Our manufacturing process also yields weight-saving gains when compared to the OE system

Main bearings replaced

2012-2018 BMW F1X M6 (incl

F20 M135i 2012 - Pre June 2013

Fitment: RS3 8V Gen 2 and TTRS 8S including the 2019 OPF DWNA versions

Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) Our manufacturing process also yieldsOPF GPF Bypass Non Resonated (Louder) Fits to OE Downpipes & Milltek Sport OPF GPF Back System Only Requires OPF Bypass Module or Stage 2 ECU Tune 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