Milltek Downpipe-back System - BMW X3M | X3M Comp (LCI) Tailpipe Finish:JET-115 Carbon Fibre Trims the stock exhaust system has

the stock exhaust system has to be cut

Fender set construction is full pre-preg carbon fiber in a 4x4 weave with 2x2 upper vents

Turbulated heavy/duty bar/plate design for the most reliable & durable oil cooler available for the platform

The perfectly crafted system provides additional performance gains over the stock system

Milltek Downpipe-back System - BMW X3M | X3M Comp (LCI) Tailpipe Finish:JET-115 Carbon Fibre Trims the stock exhaust system hasOPF GPF Bypass System Requires OPF GPF Bypass Module or Stage 2 ECU Software 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 made from 304L Aircraft Grade