SLN BMW S58 M3 G80 M4 G82 & X3M X4M LCI 4.0" Single Mid Pipe with Under-Brace

SLN Performance G8x Series 4" Single Mid pipe with extended underbrace Welcome to the SLN 4" S58 Single Mid Pipe for the G8x platform. This is the largest bore mid pipe on the market with a true single pipe design. The quality and fitment of this product is truly world class. Features Significant power gain True 4" Single Mid Pipe Design Extended under brace Much deeper exhaust tone and reduced rasp which is typical of the S58 100% TIG welded Highest quality 304 stainless steel All brackets and mounts as on OEM unit This item fits the following BMWs: 2020 – 2023 G80 BMW M3 RWD & AWD including Competition 2020 – 2023 G82/G83 BMW M4 M3 RWD & AWD including Competition 2022+ BMW X3M X4M LCI (This version does not fit Pre-LCI) EU / OPF cars will need to turn off OPF readings when fitting this mid pipe. This can be achieved by either an ECU tune / DME unlock, or being coded out. Please contact for recommended installers 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.