Milltek OPF/GPF Bypass Resonated For Millek Sport System - BMW G80 | G81 M3 | G82 M4 GLS-AMG (X167) With the E46 M3 representing

With the E46 M3 representing one of Bavaria's finest machines

It is suitable for 2 or 4 door vehicles

Requires remap and GPF/OPF to be removed when installed

you close the gap ̶ as personalised as you need

Converted to an M2 style single-pass design with a high-pressure return line

Milltek OPF/GPF Bypass Resonated For Millek Sport System - BMW G80 | G81 M3 | G82 M4 GLS-AMG (X167) With the E46 M3 representingOPF 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