Milltek OPF/GPF Bypass Resonated For Millek Sport System - BMW G80 | G81 M3 | G82 M4 8V To be installed with Supersprint

To be installed with Supersprint centre exhaust

Read BMWCar review of our remapped 335d

progressive tuning in stages

you can just install the dampers

* REQUIRES TWO FILTERS

Milltek OPF/GPF Bypass Resonated For Millek Sport System - BMW G80 | G81 M3 | G82 M4 8V To be installed with SupersprintOPF GPF Bypass Resonated 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 aggressive