Milltek SSXBM1020 - Twin Exit Catback for BMW F32 428i with Titanium Tailpipes

Unlock a sharper soundtrack and a premium twin-exit rear look on your BMW F32 428i with the Milltek SSXBM1020 catback. Handcrafted in the UK from T304 stainless steel and finished with titanium tailpipes, this free-flowing rear system delivers a louder, crisper note and a factory-quality 435i-style appearance. Ideal for enthusiasts who want a purposeful sound and a clean OEM-plus finish on their 2.0 turbo petrol 4 Series.

Why this upgrade stands out

• Twin exit conversion for the 428i - achieves the desirable 435i rear aesthetic with a quality fit and finish
• Non-res specification - a more vocal, engaging tone with a sporty edge
• Titanium-finished tips - motorsport-inspired look with a lightweight feel
• UK-made T304 stainless construction - corrosion resistant and built to last
• CNC mandrel-bent pipework - smooth gas flow and performance potential
• Acoustically developed - energetic sound without intrusive cabin boom
• Direct-fit to factory hangers - designed for precise alignment on the F32 chassis

Compatibility and requirements

• Vehicle - BMW 4 Series F32 428i Coupe 2014 to 2020
• Engine - N20 2.0 petrol turbo
• Transmission - manual gearbox
• Tow bar - not compatible with vehicles equipped with a tow bar
• Rear trim - requires the BMW 435i M Sport rear valance for the twin outlets

Part number - SSXBM1020

Sound and quality you can trust

We have installed this system on customer cars and on our own builds, and the feedback has been consistently excellent. Expect a deeper idle, a crisp rise through the revs, and an addictive overtake note. Milltek’s UK craftsmanship, high-grade stainless tubing and precision bends mean long-term durability, a superb fit, and a sound profile that feels premium rather than boomy.

Fitting service and support

Professional installation recommended. For expert fitting, contact MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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