Milltek Sport OPF/GPF-Back Rear Exhaust System (Road) with Titanium GT90 Tips | BMW M4 F82 Coupe & F83 Convertible + M4 Competition 2019-2020 | T304 Stainless Cat-Back/Axle-Back Backbox Rear Muffler Upgrade | SSXBM1124

Milltek SSXBM1124 OPF-back rear system with Titanium GT90 tailpipe finishers for BMW M4 F82 F83 and M4 Competition 2019 to 2020

Give your F8x M4 the voice and presence it deserves. This UK-engineered Milltek Sport OPF-back rear section delivers a sharper, more engaging soundtrack and a premium titanium GT90 tailpipe look, while keeping everyday refinement intact. Designed specifically for late 2019 to 2020 OPF-equipped BMW M4 F82 Coupe, F83 Convertible and M4 Competition models. Part number SSXBM1124.

Why this Milltek upgrade stands out

• Road sound level tuning for a sporty note without cabin boom or unwanted resonance
• Type 304 stainless steel throughout for long-term durability and corrosion resistance
• Precision mandrel-bent pipework for smooth gas flow and a freer-breathing rear section
• Titanium GT90 finishers for an aggressive motorsport-style rear end
• Designed, developed and hand finished in Britain with OEM-like fitment
• Retains the factory OPF position while unlocking a richer, more characterful tone
• Direct bolt-on to factory mounting points for a straightforward install
• Part number confirmed: SSXBM1124

Fitment

• BMW M4 F82 Coupe OPF models 2019 to 2020
• BMW M4 F83 Convertible OPF models 2019 to 2020
• BMW M4 Competition OPF models 2019 to 2020

OPF or GPF cars only. Not suitable for earlier non-OPF vehicles.

Real-world results

We have supplied and fitted this system on customer cars and our own builds. Feedback is consistently positive on the refined Road sound profile, the quality of the welds and hardware, and the stunning GT90 titanium tailpipes that transform the rear aesthetic.

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. For a fitting quote, availability or advice, please email info@mjmodifications.co.uk.

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