BMWM140iB58DecatDownpipeM240i340i440i

MTC Motorsport BMW M140i M240i 340i 440i 540i and 740i 4.5” stainless steel decat downpipe for B58 engine onlyThe M140i downpipe is machined from SS304 aircraft-grade stainless steel and are tig welded in houseThe B58 downpipe is made of 4.5