Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) Our carbon airbox enclosure has

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

OPF (DWNA) Breather adapter

Tube height - 3mm

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

Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) Our carbon airbox enclosure hasOPF 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