Milltek Sport Cat-Back Exhaust for BMW M5 F90 & M5 Competition (2020+) 4.4 Twin Turbo V8 - OPF/GPF Bypass, Polished GT-100 Tips - Stage 2 ECU Required

Transform the character of your BMW F90 V8 with a Milltek Sport rear section upgrade featuring OPF and GPF bypass hardware and mirror-polished GT-100 tailpipes. Stage 2 ECU calibration required.

This premium Milltek Sport system is the go-to sound and performance enhancement for 2020 onward BMW M5 and M5 Competition models fitted with petrol particulate filters. Built in Britain from 304-grade non-magnetic stainless steel, the precision-welded pipework increases gas velocity and unlocks a deeper, sharper tone befitting the 4.4 twin-turbo V8. If you are searching for a BMW F90 M5 performance system, OPF delete solution, GPF delete for M5, GT100 tailpipe upgrade or a stainless rear section for the M5 Competition, this is the upgrade enthusiasts choose.

Key benefits

• Integrated OPF and GPF bypass sections for freer flowing pipework and a more authentic motorsport soundtrack. Stage 2 ECU software is required.
• GT-100 polished tailpipes provide a bold, OEM plus look that suits the F90 bodywork perfectly.
• 304-grade stainless construction delivers outstanding durability, corrosion resistance and a high-quality finish.
• Mandrel-formed tubing maintains consistent diameters through bends for optimised flow and sharper throttle response.
• Developed for a refined cabin experience with a rich, sporty note outside and minimal unwanted resonance inside.

Compatibility

• BMW M5 F90 4.4 twin-turbo V8 2020 onward with OPF and GPF
• BMW M5 Competition F90 4.4 twin-turbo V8 2020 onward with OPF and GPF

What is included

• Milltek Sport rear section with OPF and GPF bypass pipework
• Polished GT-100 tailpipe trims

Crafted in the UK for enthusiasts

Milltek Sport designs, develops and hand-finishes each system in the UK. The use of high-grade stainless, precision jigging and quality control ensures superb fitment, long-term reliability and a premium finish that stands up to road use.

Our experience and customer feedback

At MJ Modifications we have installed this Milltek Sport upgrade on multiple F90 platforms. Owners consistently praise the easy fit, the clean look of the GT-100 tips and the way the V8 gains a richer tone without becoming tiring on longer drives. It is a standout choice for anyone wanting a serious M5 sound upgrade and improved flow on OPF and GPF equipped models.

Fitting and ECU calibration

Professional installation available at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote or to discuss Stage 2 ECU requirements.

Search-friendly terms to help you find this product

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