MILLTEK SSXBM1019 Cat-back Twin 90mm GT90 BMW 4 Series F32 428i Coupé (manual and without tow bar and N20 Engine Only) ymm_46 The rear tube has been

The rear tube has been developed through extensive CFD modelling to remove turbulence and maintain as smooth a path as possible

Patented complete kit for engine air aspiration and filtration

Washable - Yes

and dependable stopping power lap after lap

Many owners prefer the appearance of our Remote Washer Refill  and of course this can be fitted without having the RacingLine Oil Management kit installed

MILLTEK SSXBM1019 Cat-back Twin 90mm GT90 BMW 4 Series F32 428i Coupé (manual and without tow bar and N20 Engine Only) ymm_46 The rear tube has beenDescription MILLTEK SSXBM1019 Cat back Twin 90mm GT90 BMW 4 Series F32 428i Coup (manual and without tow bar and N20 Engine Only) The Cat Back systems are designed as direct replacements for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume and tone. All products are manufactured from 304L aircraft grade stainless steel for durability