Description
SLN BMW M340i 440i 540i 640i 740i and 840i 4.5” Stainless Steel Decat Downpipe for B58 OPF engines only.
This SLN downpipe has been designed for the legendary Gen 2 B58 platform. SLN downpipes are made from SS304 aircraft-grade stainless steel. This downpipe will provide noticeable power gains and a much more aggressive exhaust note. You will also notice faster turbo spool and increased turbo noises vs the standard downpipe
This downpipe will fit the following models with OPF/PPF only:
BMW G42 M240i xDrive 374PS 2021 OPF Model
BMW G20/21 M340i 3.0L 285KW/374PS 2019 OPF Model
BMW G22 440i 3.0L 285KW/387PS 2019 OPF Model
BMW G30/31 540i 3.0L 250KW/340PS 2018 OPF Model
BMW G32 640i 3.0L 250KW/340PS 2018 OPF Model
BMW G11/12 740i 3.0L 240KW/326PS 2019 OPF Model
BMW G14/15/16 840i 3.0L 250KW/340PS 2019 OPF Model
BMW Z4 G29 M40i 3.0L 250KW/340PS 2019 OPF Model
Toyota Supra MK5 A90 & A91 GR 3.0L 250KW/340PS 2019 OPF Model
The use of de-cats, sports cats and removing OPF are for off road/motorsport use only. Using these parts would inhibit your vehicle from passing a MOT test.
Only EC type-approved components are legal and fit for road use.