Milltek Non-Resonated Cat-Back Exhaust - BMW 4 Series F32 428i Auto - 435i-Style Dual Outlet - Brushed Titanium Tips - SSXBM1022

Milltek non-resonated cat-back exhaust system for BMW 4 Series F32 (428i, 435i). Direct factory fitment replacement using OEM hangers and mounting points - no modification required. Hand-finished T304L stainless steel construction with CNC-formed titanium trim tips. Engineered to deliver a controlled, refined tone character while eliminating mid-range drone through precision resonance tuning.

Designed specifically for the F32 chassis with compatibility for M Sport rear valance (435i M Sport valance required as noted). Mandrel-bent piping ensures consistent diameter for optimal exhaust scavenging. All joints are TIG-welded and polished to Milltek's exacting standards. This configuration prioritizes refinement over volume - ideal for daily driving and street use where acoustic control matters.

Fitment:

• BMW 4 Series F32 428i Auto
• BMW 4 Series F32 435i (requires 435i M Sport rear valance, sold separately)
• Direct OEM+ fitment - factory hangers and brackets compatible
• Non-resonated design - tuned to eliminate drone at highway cruising speeds

Milltek systems are dyno-tested and EC-approved for European market compliance.

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.