Milltek OPF/GPF Bypass Non-Resonated (Louder) For OEM Downpipes (With Flange) & System - BMW F90 M5 LCI (2020 Onwards) A4 (B8/8K) Exhaust system also fits to

Exhaust system also fits to M3/M4 CS (Sport Club) and GTS version

440i(x) (F32)

Once installed to the BMW the new free flowing GPF-back half system improves the vehicles power and sharpens up throttle response as well as reduce the overall weight

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

BMW i8 2015-

Milltek OPF/GPF Bypass Non-Resonated (Louder) For OEM Downpipes (With Flange) & System - BMW F90 M5 LCI (2020 Onwards) A4 (B8/8K) Exhaust system also fits toFits 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