Milltek Sport Cat-Back Exhaust System for BMW 4 Series F32 428i Coupe (2014-2020) - Non-Resonated Louder, OE-Style Twin Outlet, Polished Tips, 304 Stainless Steel - Automatic, N20 Only, No Tow Bar - SSXBM1009

Milltek Performance Rear System for BMW 428i F32 Coupe
Part Number: SSXBM1009

Transform the sound and style of your BMW 4 Series 428i F32 with this UK-made Milltek performance rear section. Engineered for the N20 2.0 turbo petrol, this non resonated setup adds a deeper, louder note and improved flow while keeping cruising refinement in check. Finished with mirror-polished dual tailpipe finishers for a clean factory-look twin exit, it is a premium, bolt-on upgrade built to last.

Why this upgrade stands out

• Non resonated centre for increased volume and a sportier tone without intrusive cabin boom
• Dual exit factory-look with mirror-polished tailpipe finishers for a subtle yet aggressive rear end
• Free-flow, mandrel-bent tubing for smoother gas velocity and crisp throttle response
• T304 grade, non-magnetic stainless throughout for corrosion resistance and long-term shine
• Handcrafted in the UK for precise fitment and top-tier build quality

Compatibility

• Vehicle: BMW 4 Series 428i Coupe F32
• Engine: N20 2.0 turbo petrol only
• Transmission: Auto gearbox models
• Years: 2014 to 2020
• Configuration: Rear section from the catalyst back
• Tow equipment: Not suitable for cars fitted with towing hardware
• Part number: SSXBM1009

Real-world results

We have supplied and installed this system on multiple BMW 428i F32 cars and the feedback is consistently excellent. Owners report a richer cold start, a stronger note under load and minimal drone at motorway speeds. Fit and finish are superb, and the mirror-polished twin exit keeps a premium OEM-inspired appearance.

Installation and support

Professional fitting recommended. Book installation with MJ Modifications in Warwickshire. For a fitting quote, email info@mjmodifications.co.uk.

Search terms customers use

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