Milltek Sport OPF/GPF-Back Axle-Back Exhaust Backbox/Rear Silencer with GT-115 Polished Quad Tailpipes for BMW G82 M4 & M4 Competition (S58 3.0 Twin Turbo) 2020+ | T304 Stainless

Upgrade the soundtrack and rear-end look of your BMW M4 G82 with this Milltek rear section featuring GT-115 polished tailpipe finishers

Bring out the best in your M4 with a premium UK-built rear silencer replacement that keeps the factory particulate filter in place while adding a richer, sportier note and a sharper aesthetic. This OPF and GPF compatible rear section is designed for 2020 on S58 3.0 twin turbo models, delivering a cleaner tone, smoother flow and eye catching mirror polished quad outlets that suit the aggressive lines of the G82 and M4 Competition.

Why this rear section is a top choice for the G82 platform

• Direct fit rear section for vehicles equipped with an Otto or gasoline particulate filter, keeping the emissions hardware untouched
• GT-115 polished quad tailpipe finishers for a bold OEM plus appearance
• T304 grade stainless construction throughout for long term corrosion resistance and a high quality finish
• Carefully sized tubing and constant radius bends for freer gas flow and crisp throttle response
• Developed for an engaging, deeper tone under load with minimal cabin boom on long drives
• Designed, engineered and hand finished in the UK

Fitment

• BMW M4 G82 and M4 Competition
• S58 3.0 twin turbo petrol
• 2020 onwards models fitted with OPF or GPF

Compatibility note: for particulate filter equipped cars only. Not intended for vehicles without an OPF or GPF.

What you will notice

• Deeper, more characterful exhaust tone with a refined cruising volume
• Enhanced rear styling thanks to the bright GT-115 quad tips
• Quality materials and craftsmanship you can trust for daily use and spirited driving

Trusted by enthusiasts

We have fitted this Milltek rear section on customer M4 G82 builds and the feedback has been consistently positive. Owners love the clean sound quality, the fit and finish, and the subtle yet purposeful look of the polished outlets.

Professional installation

For the best results, book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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