Milltek Cat-back GPF-back Resonated Exhaust with Cerakote Black GT-90 Trims for BMW M140i F20 F21 LCI OPF models 2019 onwards. Transform the sound, look and driving feel of your M140i with this premium UK-made performance exhaust. Precision engineered for OPF-equipped BMW M140i 3-door and 5-door models, this resonated system delivers a deep, sporty tone without drone, a refined cabin experience and stunning Cerakote Black GT-90 tailpipe trims that perfectly complement the rear of the car.
Why choose this Milltek exhaust for your BMW M140i F20 F21 LCI OPF
- Direct-fit GPF-back design that retains the factory OPF/GPF while unlocking a richer, more engaging exhaust note.
- Resonated system for daily-drive comfort and long-distance refinement with a mature, performance-led soundtrack.
- Cerakote Black GT-90 tips give a stealthy, motorsport-inspired finish with outstanding heat and corrosion resistance.
- T304 aerospace-grade stainless steel throughout for superb durability and corrosion resistance that lasts almost indefinitely.
- Mandrel-bent pipework maintains constant diameter for optimised gas flow and response without sacrificing mid-range torque.
- Acoustically developed to be sporty and crisp without NVH, drone or unwanted cabin resonance.
- Hand-finished in the UK by time-served craftsmen for consistent quality and fit.
Fitment and compatibility
This Milltek GPF-back resonated cat-back exhaust fits:
- BMW M140i 3-door and 5-door
- Chassis: F20 and F21 LCI
- OPF/GPF models only (2019 onwards)
If your M140i is a pre-OPF car, please contact us for the correct system.
What to expect
- Refined, deeper exhaust note with a more engaging drive.
- Improved exhaust flow thanks to enlarged, mandrel-bent pipework.
- A premium, stealth look from the Cerakote Black GT-90 trims.
- Confident fitment using factory mounting points for a clean install.
Nforcd recommendation
We have fitted and run this exact Milltek M140i GPF-back resonated system and it is consistently a customer favourite for sound quality, build quality and everyday usability. Feedback from M140i owners highlights the perfect balance between sporty character and comfort, with no intrusive drone.
Professional fitting and support
Professional installation is recommended. Nforcd offers expert fitting in Warwickshire. For a tailored quote or to book your install, email Sales@nforcd.com.
Notes
- This listing is for the resonated GPF-back cat-back system with Cerakote Black GT-90 tailpipe trims.
- Designed to work with the factory OPF/GPF on 2019-on M140i F20 F21 LCI.
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