Milltek Sport Cat-Back Exhaust (OPF/GPF-Back) Race, Carbon Jet-90 Tips - BMW M4 F82 F83 Coupe/Convertible & M4 Competition 2019-2020 (OPF/GPF Only) - SSXBM1121

Performance Rear Section with Carbon Jet-90 Tailpipes for BMW M4 F82 F83 and M4 Competition OPF models

Unlock a harder hitting soundtrack and sharper throttle response on your S55-powered M4 with this UK-built Milltek Sport rear section that runs from the particulate filter back. Tuned for late Euro 6 OPF or GPF cars, it delivers a race-inspired note, cleaner flow and a premium carbon finish that looks factory-plus on the F82 coupé and F83 cabriolet.

Part number: SSXBM1121

Why this upgrade stands out

• Engineered specifically for particulate filter models 2019 to 2020 for a hassle-free fit on F82 and F83, including Competition Pack.
• Crafted in the UK from high-grade T304 stainless steel for long-term durability, corrosion resistance and consistent performance.
• Free-flow, mandrel-formed pipework with enlarged bore for smoother gas velocity and a more urgent feel without killing mid-range torque.
• Race sound level for a deeper idle, crisp upshift cracks and a motorsport character under load with minimal cabin resonance on a steady cruise.
• Carbon Jet-90 tailpipes for an aggressive 90 mm carbon fibre look that pairs perfectly with OEM rear valances.

Compatibility and configuration

• Chassis: BMW M4 F82 coupé and F83 convertible, including M4 Competition.
• Model years: 2019 to 2020 OPF or GPF only.
• System layout: particulate filter back race-level rear exhaust section.
• Tip style: Carbon Jet-90 carbon fibre tailpipe finishers.
• Reference: SSXBM1121.

Real-world feedback

We have installed this system for multiple customers and the response has been overwhelmingly positive. Expect a stronger, richer tone from the S55, more drama on throttle and an addictive, high quality soundtrack that still remains civil on the motorway. The fit and finish are excellent, and the carbon tips complete the rear end perfectly.

Build and materials

• T304 stainless steel throughout for strength and longevity in UK weather.
• Precision mandrel bends to maintain constant diameter through curves.
• Optimised bore sizing to balance performance and drivability.
• Designed, developed and finished in Britain for guaranteed quality.

Professional fitting

Need installation support or a supply and fit package? Book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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Choose the Milltek Sport OPF-back race-level system for a stronger voice, smoother flow and a premium carbon finish that elevates your M4 every time you drive.