MILLTEK SSXBM1010 Cat-back Twin 76.2mm GT76 BMW 4 Series F32 428i Coupé (automatic and without tow bar and N20 Engine Only) ymm_34 Back face of 4PK701 and

Back face of 4PK701 and 4PK885 is colored blue with HKS logo

Part # of stock air element 16546AA150 Replacement filter 290×261×38 Package size Size M2 (70017-AK104)

Designed for racing applications

Bespoke Filter Design

Forge Motorsport were one of the first company’s in the world to design and manufacture the billet two-piece replacement aluminium turbo actuator

MILLTEK SSXBM1010 Cat-back Twin 76.2mm GT76 BMW 4 Series F32 428i Coupé (automatic and without tow bar and N20 Engine Only) ymm_34 Back face of 4PK701 andDescription MILLTEK SSXBM1010 Cat back Twin 76. 2mm GT76 BMW 4 Series F32 428i Coup (automatic 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 or a more aggressive tone. All products are manufactured from 304L aircraft grade