Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) OPF (DWNA) Breather adapter

OPF (DWNA) Breather adapter

Our carbon airbox enclosure has been designed to maximise the use of the available volume and block all sources of heat

T304 Stainless steel construction

The software upgrade for the 2 Series F22 228i was designed and tested at our dyno facility and on road to give optimal performance with maximum safety

Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) OPF (DWNA) Breather adapterOPF 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