Milltek Large Bore Downpipe and Hi-Flow Sports Cat - BMW i8 (2014 - 2020) S8 (D4) BMW 440i Gran Coupé 2017-

BMW 440i Gran Coupé 2017-

If you want just comfort/handling

2 Carbon air shrouds

Unlike many other intake companies who use a generic filter

Milltek Large Bore Downpipe and Hi-Flow Sports Cat - BMW i8 (2014 - 2020) S8 (D4) BMW 440i Gran Coupé 2017-NOT ROAD LEGAL Required ECU Remap Fits to OE and Milltek Sport Cat Back Systems 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