Milltek Resonated Cat-Back Exhaust - BMW 4 Series F32 428i Auto - 435i-Style Dual Outlet - Brushed Titanium Tips - SSXBM1021

Milltek resonated cat-back exhaust system for BMW 4 Series F32 (428i, 435i). Direct factory fitment with OEM hangers-no modification required. Hand-finished T304L stainless steel construction with mandrel-bent piping ensures durability and precise flow characteristics. This resonated configuration eliminates drone while preserving the engineered tone of the N20/N26 engine.

Includes titanium polished trims. Requires 435i M Sport rear valance (available separately from BMW). Designed as a direct replacement for the original system, offering a more aggressive character than stock while maintaining street-legal operation. Engineered for fitment and performance on closed courses and daily driving alike.

Fitment:

• BMW 4 Series F32 (428i, 435i models)
• Direct cat-back replacement
• Uses OEM mounting points and hangers
• Requires M Sport valance for 435i fitment

Hand-finished in T304L stainless steel for lasting durability across all weather conditions.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

• Pipe diameter: 76.2mm (3.00")

Fitment

• BMW > 4 Series > F32 428i Coupe (Automatic Gearbox, without Tow Bar, Non xDrive & N20 Engine Only) > 2014 to 2016

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.