Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For OE Axle Back Only - BMW G80 | G81 M3 | G82 M4 Civic The limited slip differential is

The limited slip differential is an additional

WIDTHS RANGE FROM 6 -12

It features a newly developed acoustic reflector  (http://www

OPF/GPF Bypass - Non-Resonated (Louder)

We have now updated the design featuring a sloped front to provide a more OEM look and added a PVD coated version

Milltek OPF/GPF Bypass Non-Resonated (Louder) Single Pipe For OE Axle Back Only - BMW G80 | G81 M3 | G82 M4 Civic The limited slip differential isOPF 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