Fits all Gen 1 and Gen2 B58s (and supra) Introducing the BimmerNetwork B58 High Flow Catless downpipe. This is a TRUE 4.5inch all the way until the exhaust meets the dp. This will bolt on to your oem exhaust(no modification needed), or can be cut at the taper and welded to a true custom upgraded exhaust, with the addition of a larger diameter flex joint, this is a real high flowing downpipe that will reduce backpressure and relieve stress off the turbo. Unlike others on the market that are 4.5 at the turbo outlet and taper significantly right after the turbo. **These Are For Decoration Only. Installation On A Motor Vehicle Is Illegal In Most if Not All States And BN Does Not Sell For Road Use** Fitment: ALL Bmw/Toyota B58 Equipped Models 1st Generation B58 (B58B30M0) 2016-2019 F20/F21 (1 Series - Europe Only): M140i, M140i xDrive F22/F23 (2 Series): M240i, M240i xDrive F30/F31 (3 Series): 340i, 340i xDrive F32/F33/F36 (4 Series): 440i, 440i xDrive, 440i Gran Coupe, 440i xDrive Gran Coupe F34 (3 Series GT): 340i GT, 340i GT xDrive G30 (5 Series): 540i, 540i xDrive G11/G12 (7 Series): 740i, 740i xDrive G32 (6 Series GT): 640i GT, 640i GT xDrive 2019-2020 G29 (Z4): Z4 M40i A90 (Toyota Supra - MK5): GR Supra 3.0 (2020) 2020-Present G20/G21 (3 Series): M340i, M340i xDrive G22/G23/G26 (4 Series): M440i, M440i xDrive, M440i Gran Coupe G30 (5 Series): 540i, 540i xDrive (LCI) G31 (5 Series Touring - Europe): 540i, 540i xDrive G32 (6 Series GT): 640i GT, 640i GT xDrive G05 (X5): xDrive40i, sDrive40i G06 (X6): xDrive40i, sDrive40i G07 (X7): xDrive40i G11/G12 (7 Series - LCI): 740i, 740i xDrive G14/G15/G16 (8 Series): 840i, 840i xDrive G29 (Z4): Z4 M40i (2021+) A90 (Toyota Supra - MK5): GR Supra 3.0 (2021+) G42 (2 Series): M240i, M240i xDrive and more
