Milltek OPF/GPF-Back Axle-Back Performance Sports Exhaust for BMW M4 F82 Coupe, F83 Convertible & M4 Competition (2019-2020) - Rear Silencer/Backbox/Muffler, Burnt Titanium GT90 90mm Tips, T304 Stainless - SSXBM1123

Milltek Rear Exhaust System with Burnt Titanium GT90 Tailpipe Finishers for BMW M4 F82 F83 and M4 Competition 2019 to 2020 — Part No. SSXBM1123

Transform the character of your S55-powered M4 with Milltek’s UK-built rear section, engineered for OPF and GPF equipped models. This premium stainless steel system delivers a sharper, more motorsport-led tone on throttle while remaining civilised on cruise, with beautiful burnt-blue GT90 tailpipe finishers that look as good as they sound. If you want a high quality upgrade that enhances presence without annoying cabin boom, this is the smart choice.

Key reasons enthusiasts choose this system

• Hand finished in Britain for precise fitment and a factory-plus appearance
• Crafted from high grade T304 stainless steel for long term corrosion resistance
• Mandrel-formed pipework to promote consistent gas velocity and smooth flow
• Thoughtfully upsized bore for improved response while keeping mid-range punch
• Acoustically developed for a crisp, engaging soundtrack with no intrusive cabin resonance
• Road-spec sound profile for daily usability and refined long-distance driving
• Striking Burnt Titanium GT90 90 mm tailpipes for a premium, aggressive rear aesthetic

Built to perform, built to last

Milltek utilises aerospace grade stainless throughout the assemblies, including silencers and connecting sections. The result is a durable rear system that resists discolouration, maintains its finish, and delivers an authentic performance tone that complements the F8x platform.

Compatibility

• BMW M4 F82 Coupé with OPF and GPF, 2019 to 2020
• BMW M4 F83 Convertible with OPF and GPF, 2019 to 2020
• BMW M4 Competition with OPF and GPF, 2019 to 2020

Part number: SSXBM1123

Note: suits EU particulate filter models only.

Tried and loved by our customers

We have installed this Milltek system in-house and feedback has been excellent. Tip alignment is spot on, the finish is first rate, and the sound strikes the perfect balance between sporty character and everyday refinement. Owners consistently praise the improved presence and quality without unwanted cabin boom.

Fitting and aftercare

Professional installation recommended. MJ Modifications in Warwickshire can supply and fit this system, with tailored advice and aftercare. For a fitting quote, email info@mjmodifications.co.uk.

Why buy from MJ Modifications

• BMW M specialists with hands-on experience of the F8x platform
• Trusted UK supplier of Milltek performance exhausts
• Workshop support for set-up, tip alignment and post-fit checks

Upgrade your BMW M4’s soundtrack and style with Milltek’s OPF-back rear system and Burnt Titanium GT90 tips. Order SSXBM1123 with confidence from MJ Modifications.