Milltek Non-Resonated Cat-Back Exhaust - BMW 4 Series F32 428i Auto - 435i-Style Dual Outlet - Polished Tips - SSXBM1013

Milltek Non-Resonated Cat-Back Exhaust System for BMW 4 Series F32 (428i Auto and 435i models). Direct factory replacement using T304L stainless steel, hand-finished construction. This configuration is engineered for increased volume and aggressive tone character without resonance drone, designed to integrate with the OEM 435i M Sport rear valance.

Mandrel-bent T304L stainless steel construction with polished trims ensures durability through all conditions. System uses original BMW hangers and mounting points-no modification required for installation. The non-resonated design eliminates mid-range drone while preserving full-throttle character.

Fitment:

• BMW 4 Series F32 (428i Auto, 435i models)
• Requires 435i M Sport rear valance (available separately from BMW dealer)
• Cat-back configuration (retains original catalytic converter)
• Polished stainless steel tailpipe trim

Four decades of exhaust development ensures precision fitment and proven performance gains.

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.