Milltek SSXBM994 Cat-Back Performance Exhaust System for BMW M4 F82/F83 (2014–2018, Non-OPF/Non-GPF) – Stainless Steel with Titanium Tips – Fits Coupe & Convertible incl. M4 Competition | S55 3.0 Twin Turbo Sports Exhaust UK

SSXBM994 Sports System with Titanium Tailpipe Finishers for BMW M4 F82 and F83 2014 to 2018 Non GPF

Give your S55-powered M4 the soundtrack and response it deserves. This UK-crafted performance system from Milltek Sport replaces the factory rear sections from the catalytic converters backwards, unlocking a richer, motorsport-inspired note and a crisper throttle feel while keeping cabin refinement intact. If you are searching for an M4 performance exhaust upgrade, stainless steel rear system, or titanium tailpipe finishers for your F82 or F83, this is the premium choice enthusiasts trust.

Highlights

• Part number: SSXBM994
• Compatibility: BMW M4 F82 Coupe, BMW M4 F83 Convertible, including Competition Package
• Years covered: 2014, 2015, 2016, 2017, 2018 pre-OPF and pre-GPF only
• Layout: Replacement exhaust from the factory catalysts rearwards with titanium tailpipe finishers
• Material: High-grade T304 stainless steel for durability and corrosion resistance
• Precision mandrel-bent pipework with optimised bore sizing for smooth gas flow
• Developed and hand finished in the UK for consistent fit and quality

Why M4 owners choose it

The sound is deep, clean and authentic to the S55, without the intrusive cabin boom that can spoil longer drives. Free-flowing pipework complements stock and lightly tuned setups, helping the engine feel more willing through the rev range. The titanium finishers provide a purposeful, premium look that suits both coupe and cabriolet models.

We have installed this system on our own builds and customer cars, and the feedback is consistently outstanding. Fit and finish are excellent, the tone is spot on, and the overall driving experience feels more special from the moment you start the car.

Installation and important notes

• For non-OPF non-GPF vehicles only. Not suitable for later OPF or GPF equipped cars.
• The original assembly requires cutting to remove the factory rear section, as per the manufacturer’s instructions.
• Professional fitting recommended. Book fitting with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk

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Upgrade your M4 with a UK-made stainless performance system that delivers a refined yet aggressive note and a noticeably more energetic feel. Order SSXBM994 today and enjoy the sound and build quality enthusiasts recommend.