Milltek OPF/GPF-Back Performance Exhaust System for BMW 1 Series F40 128ti 5-Door (2021+, OPF/GPF Equipped) - GT-115 Brushed Titanium Tips - Type 304 Stainless Steel - SSXBM1204

BMW F40 128ti Sports Exhaust Upgrade with GT-115 Brushed Titanium Tailpipes by Milltek

Part Number: SSXBM1204

Transform your BMW 1 Series 128ti with a refined, motorsport-inspired soundtrack and a premium rear-end look. This Milltek filter-back rear section for the F40 128ti hatchback delivers a deeper, more engaging tone and a noticeable lift in character while keeping cruising manners civilised. Finished with striking GT-115 brushed titanium tailpipes, it is the perfect OEM plus enhancement for owners who want quality, durability and a truly rewarding drive.

Why this Milltek system stands out

• Engineered in Britain for the BMW 128ti F40 5 door from 2021 onward with petrol particulate filter hardware
• Manufactured from Type 304 stainless steel for long term corrosion resistance and a high quality finish
• Precision mandrel bends for smooth gas flow and performance-focused efficiency
• Acoustically developed to deliver a sporty, mature soundtrack with minimal cabin boom or drone
• Lightweight GT-115 brushed titanium tips for a purposeful, premium appearance
• Direct rear section replacement designed for OPF and GPF equipped vehicles
• Built to last with proven reliability on UK roads

Sound and driveability tailored to the 128ti

This rear system has been tuned specifically for the 2.0 turbo 128ti to offer a richer exhaust note under load and a calm, comfortable tone at motorway speeds. Expect an engaging start up, a fuller midrange, and a clean top-end sound that enhances everyday driving without unwanted resonance.

Premium construction you can trust

Milltek uses high grade Type 304 stainless throughout for the pipework and silencers, delivering excellent resistance to staining and heat cycling. Careful diameter selection and smooth radius bends help the engine breathe more freely while maintaining the usable torque the 128ti is known for.

Compatibility

• Vehicle: BMW 1 Series F40 128ti 5 door
• Model years: 2021 onwards
• Emissions equipment: for vehicles fitted with OPF or GPF
• Tailpipe style: GT-115 brushed titanium
• Milltek reference: SSXBM1204

Fitment and support

We recommend professional installation. For fitting, choose MJ Modifications in Warwickshire and request a quote at info@mjmodifications.co.uk.

Tried, tested and loved by owners

We have installed and supplied this system on multiple 128ti builds. Feedback has been consistently positive, with customers praising the tasteful sound, quality finish and the head-turning look of the GT-115 brushed titanium tips.

Buy with confidence from MJ Modifications

Upgrade your BMW F40 hot hatch with a high quality exhaust from a leading British manufacturer. This Milltek rear section offers sound, style and durability in one package. Order SSXBM1204 today and enjoy a more rewarding drive.

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