Milltek OPF/GPF Bypass Single Pipe For OE Axle Back Only - BMW G80 | G81 M3 | G82 M4 E81 this leaves the S55 engine’s

this leaves the S55 engine’s oil cooler precariously exposed

to create a pure three-cylinder racing sound from the engine

an uniform filling of the intercooler is provided

ensuring strength and longevity even under competition-level loads

Choice of twin polished/black ceramic Daytona or carbon Ascari tailpipes

Milltek OPF/GPF Bypass Single Pipe For OE Axle Back Only - BMW G80 | G81 M3 | G82 M4 E81 this leaves the S55 engine’sFits 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 aggressive tone. All our products are