SLN Performance - BMW B58 OPF Decat Downpipe M240i M340i M440i 540i 640i 840i Z4 M40i Supra A90 1 Series allowing for quick

allowing for quick

designed to fit a wide range of 1

and vehicle lighting

built for precision and reliability

SLN Performance - BMW B58 OPF Decat Downpipe M240i M340i M440i 540i 640i 840i Z4 M40i Supra A90 1 Series allowing for quickSLN Performance BMW B58 OPF Decat Downpipe M240i M340i M440i 540i 640i 840i Z4 M40i Supra A90 This SLN ceramic coated 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