Milltek Cat-back Exhaust for BMW M140i F20 F21 LCI 2015 onwards — Resonated with Titanium GT-90 Trims
Upgrade your BMW M140i F20 or F21 LCI with the Milltek Sport cat-back exhaust system. This resonated cat-back with Titanium GT-90 tailpipe trims is engineered for the M140i 3 door and 5 door models from 2015 onwards. Expect a deeper, sportier exhaust note without unwanted drone, improved gas flow from enlarged, mandrel-bent pipework, and stunning titanium GT90 tips that perfectly finish the rear of your M140i.
Why choose this Milltek M140i cat-back exhaust
- Perfect fitment for BMW M140i F20 and F21 LCI 2015 onwards
- Resonated system for refined sound with no cabin drone and no harsh resonance
- Titanium GT-90 trims for an aggressive, premium tailpipe finish
- Performance stainless steel construction in aerospace grade type 304, non-magnetic
- Mandrel-bent pipework for optimised gas flow and consistent radius bends
- Enlarged bore over stock to unlock performance potential without sacrificing mid-range torque
- Designed, developed and hand-finished in the UK by Milltek Sport craftsmen
Built to perform, built to last
Milltek constructs the entire system from type 304 stainless steel, including pipework, silencers and hardware. This material resists discolouration, corrosion and heat cycling, delivering long-term durability and a finish you can be proud of. Every Milltek M140i exhaust undergoes acoustic development to achieve a crisp, sporty tone that enhances daily driving and spirited runs without introducing NVH or drone.
Sound and driveability
The resonated configuration keeps long-distance refinement while bringing a richer, deeper sound under throttle. It is the ideal BMW M140i exhaust upgrade if you want performance tone with everyday comfort.
Direct-fit cat-back, made for the M140i
This is a direct replacement, bolt-on cat-back exhaust system for the BMW M140i F20 and F21 LCI. The enlarged bore and precision mandrel bends improve exhaust gas flow, supporting the B58-powered M140i’s performance potential while retaining drivability.
Keywords customers search for
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Our experience
We have fitted and used this Milltek M140i cat-back ourselves and our customers consistently praise the sound quality, premium build and perfect fitment. It is a proven upgrade for owners who want a high-quality UK-made performance exhaust with a refined, sporty tone.
Fitting and support
Professional installation is recommended. For fitting at Nforcd in Warwickshire, request a quote via Sales@nforcd.com. Our team can advise on compatibility, lead times and any supporting hardware you may need.
Fitment
- BMW M140i 3 door F21 LCI 2015 onwards
- BMW M140i 5 door F20 LCI 2015 onwards
What you get
- Milltek Sport resonated cat-back exhaust system
- GT-90 Titanium tailpipe trims
- All required clamps and hardware as supplied by Milltek
Transform your BMW M140i with a Milltek cat-back exhaust that delivers performance sound, UK-made quality, and show-stopping Titanium GT-90 tips. Order now for the ultimate F20 F21 M140i exhaust upgrade.