Milltek Cat-Back Exhaust BMW 428i F32 Coupe N20 (Manual Only, No Tow Bar) 435i-Style Dual Exit, Resonated, Polished Tips Requires 435i M Sport Valance 20142020 SSXBM1004

Milltek Sport stainless catback for BMW 4 Series F32 428i N20 manual - twin outlet 435i look - polished tailpipes - SSXBM1004

Part number: SSXBM1004

Give your BMW 428i F32 a tasteful twin-exit rear end and a richer soundtrack with this Milltek Sport stainless catback system. Built in the UK from premium type 304 stainless and finished with mirror-polished tailpipe trims, it delivers an OEM plus appearance with a refined, resonated tone and no drone on the motorway. A superb upgrade for daily driving and spirited use, with precise fitment on manual transmission cars without a tow bar.

Why this upgrade works

• 435i style twin outlet rear - factory style twin tips for a clean, performance look
• Resonated centre section - silenced for a deeper note without unwanted cabin boom
• Type 304 stainless construction - corrosion resistant, long lasting and UK made
• Mandrel bent pipework - smooth gas flow for response without sacrificing mid-range torque
• Polished tailpipe finishers - premium mirror finish that suits M Sport styling
• Direct catback replacement - uses factory mounting points for a neat, bolt-on fit

Fitment details

• Vehicle: BMW 4 Series F32 428i Coupe
• Engine: 2.0 N20 turbo petrol
• Gearbox: manual only
• Years: 2014 to 2020
• Must be without a tow bar
• Requires 435i M Sport rear valance or diffuser to complete the twin outlet conversion

What we think

We have installed this system on our own builds and for many customers. Feedback is consistently positive - excellent build quality, a mature sound that is sporty yet civilised, and a twin exit look that transforms the rear of the F32 428i. If you want a performance exhaust that enhances character without being loud, this resonated Milltek catback is a brilliant choice.

Fitting and support

Professional installation recommended. MJ Modifications in Warwickshire can supply and fit this system. For a tailored quote or to book your install, email info@mjmodifications.co.uk.

Key points at a glance

• Milltek Sport stainless catback for BMW F32 428i
• Twin outlet 435i style rear conversion
• Resonated for refined volume with no drone
• Polished twin tailpipes
• Type 304 stainless steel, mandrel bent
• Designed for N20 manual models without tow bar
• Part number: SSXBM1004

Common search terms

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