Milltek Sport Exhaust System for BMW 4 Series F32 428i Coupe N20 Manual (2014-2020) | Cat-Back/Rear Section, 435i Look Twin/Dual Exit Conversion, Resonated T304 Stainless, Titanium Tips | Requires 435i M Sport Diffuser/Rear Valance | SSXBM1019

Milltek Sport Rear Section Upgrade for BMW 4 Series 428i F32 N20 Manual, Twin Exit Conversion with Resonated Centre and Titanium Tailpipe Finishers — Part No. SSXBM1019

Give your 4 Series coupe the premium twin outlet look and a refined soundtrack with this Milltek Sport rear system for the BMW 428i F32 N20 manual. Part number SSXBM1019 delivers a tasteful OEM plus appearance inspired by the 435i, complete with a resonated centre section for everyday civility and beautifully finished titanium tips. Built in Britain from high grade stainless steel, it is a superb quality, long lasting upgrade that transforms the rear end and driving character without unwanted cabin resonance.

Why this system stands out

• Dual exit conversion for a factory style 435i appearance on your 428i
• Resonated layout for a deeper tone with excellent refinement on motorway journeys
• Titanium tailpipes for a premium, contemporary finish
• Austenitic T304 stainless construction for durability and corrosion resistance
• Precision mandrel bends and enlarged tubing for smoother gas flow and crisp throttle response
• Engineered to avoid boominess and cabin drone, ideal for daily use
• Direct fit cat back section that mates to the original catalyst, no cutting of the converter

Build quality you can trust

Hand built in the UK using aerospace grade T304 stainless, this Milltek system resists discolouration and corrosion, with neatly TIG welded joints and consistent mandrel bends for optimal flow. It is a proper bolt-on solution that looks, sounds and fits like a premium factory upgrade, backed by Milltek’s reputation for quality.

Fitment guide

• Model: BMW 4 Series F32 428i Coupe
• Years: 2014 to 2020
• Engine: N20
• Gearbox: Manual only
• Rear diffuser: Requires BMW 435i M Sport rear valance or diffuser for the twin outlet cut outs
• Tow bar: Not suitable for cars equipped with a tow bar
• Milltek part number: SSXBM1019

Real world feedback

We have supplied and installed SSXBM1019 on multiple F32 428i N20 coupes and the response has been consistently positive. Owners love the subtle, quality tone from the resonated centre, the absence of cabin boom and the authentic twin exit look that transforms the rear of the car.

Professional installation

Want it fitted properly first time? Book your supply and install with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored fitting quote and availability.

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