Milltek Large Bore Downpipes with OPF/GPF Bypass & High Flow Sports Cats for BMW F80 M3 & M3 Competition Saloon (OPF/GPF Models Only) 20192020 | SSXBM1127

Milltek Sports Cat Turbo Downpipes for BMW M3 F80 and M3 Competition Saloon 2019 to 2020 OPF Equipped

Part number: SSXBM1127

Give your S55-powered M3 the soundtrack and response it deserves. These Milltek enlarged-diameter turbo front pipes combine particulate filter bypass sections with high-flow sports catalytic converters to reduce back pressure, sharpen throttle pick up and deliver a richer, motorsport-inspired note. Precision built in the UK from premium T304 stainless steel, they are engineered for OPF-equipped 2019 to 2020 BMW M3 F80 and M3 Competition Saloon models and deliver the quality, fit and finish enthusiasts expect.

What you will notice

• Faster turbo spool and improved mid-range urgency
• Deeper, more characterful sound without intrusive cabin boom
• Smoother, freer revving feel thanks to optimised gas flow
• Premium build that resists discolouration and corrosion

Why enthusiasts choose Milltek

• Designed, developed and hand finished in the UK
• Crafted from high-grade, non magnetic T304 stainless steel
• Mandrel-formed tubing maintains a consistent internal diameter through bends
• Acoustically tuned for an assertive yet refined tone on the S55 engine
• Engineered to integrate with OPF-equipped M3 F80 platforms

Key product highlights

• Enlarged turbo downpipes with OPF bypass sections for OPF or GPF equipped cars
• High-flow sports catalytic converters to maximise exhaust velocity
• Stainless steel construction for strength and long service life
• Milltek part code: SSXBM1127

Compatibility

• BMW M3 F80 Saloon and M3 Competition Saloon
• Years: 2019 to 2020
• For OPF or GPF models only

Tried and loved by our customers

We have installed this setup on multiple F80 builds and feedback is consistently positive. Owners report crisper response, stronger pull and a more purposeful exhaust character while retaining day-to-day usability. Milltek’s UK-made quality and attention to detail make this a go-to choice for M3 drivers who want performance gains with premium refinement.

Professional installation

For fitting, book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quotation and availability.

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Transform your M3 with Milltek SSXBM1127. Order today for a sharper, cleaner flow and a soundtrack worthy of the badge.