Milltek OPF/GPF Bypass Non-Resonated (Louder) For OEM Downpipes (With Flange) & System - BMW F90 M5 LCI (2020 Onwards) A4 (B8/8K) CNC Machined Breather Ports and

CNC Machined Breather Ports and Reinforcement Rings

BMW i8 2015-

2 x CNC Machined MAP bosses

CNC Machined Breather Connector

By replacing the OEM airbox with our Patent Pending Venturi housing we have ensured that the airlfow remains as laminar as possible

Milltek OPF/GPF Bypass Non-Resonated (Louder) For OEM Downpipes (With Flange) & System - BMW F90 M5 LCI (2020 Onwards) A4 (B8/8K) CNC Machined Breather Ports andFits to the OE Downpipes and OE OPF GPF Back System. For Vehicles with Flange Connection to OE Downpipes (Approx July 2020 Onwards) 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