
Milltek Cat-Back Exhaust - BMW G20 M340i & G22 M440i - Polished Tips - SSXBM1273
Ships free in the US
Make sure this fits your car
Fits: M340i G20/G21, M440i G22/G23/G26
- Shop tested in Dallas
- Free pickup in Dallas
- Installs at our shop
Milltek cat-back exhaust system for BMW G20 M340i and G22 M440i, engineered to replace the OEM system while improving tone and visual presence. Direct factory fitment uses OEM hangers and requires no modification. Quad GT-100 polished trims deliver aggressive aesthetics.
Constructed from T304L stainless steel, mandrel-bent and hand-finished for durability and precise acoustic tuning. Available in resonated and non-resonated configurations, allowing you to tailor sound character and volume to your preference.
- Fitment: BMW G20 M340i sedan and BMW G22 M440i coupe (petrol models)
- Material: T304L stainless steel, mandrel-bent construction
- Finish: Polished quad trims (GT-100 style)
- Installation: Direct OEM fitment, no cutting or welding required
- Options: Resonated or non-resonated configurations
EC Approval available for European market compliance.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Specifications
- Pipe diameter: 76.2mm (3.00")
- Fitting time: 2 to 2.5 hours, including removing the factory system
- Off-road / competition use only. Not legal for use on public roads in the US.
Fitment
- BMW > 3 Series > G20 M340i Sedan inc Xdrive > 2021 and Later
- BMW > 4 Series > G22 M440i Coupe (NAS/ROW Vehicles Only) > 2021 and Later
Listed for these cars. Check the title and description for exact years, body styles and drivetrain.
Not sure? Call or text 945-954-1142 with your car or VIN.
- Free US shipping on orders over $250.
- Free pickup at our Dallas shop, usually ready within 24 hours.
- Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
- Want it installed? Book the install at thegbmotors.com.
Full details are on our shipping and returns page.
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