Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For Millek Sport System - BMW G80 | G81 M3 | G82 M4 RS4 (B5) Tube height - 3mm

Tube height - 3mm

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

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

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

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) Tube height - 3mmOPF 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