Macht Schnell Stainless Steel Race X-Pipe - E9X M3

The stock x-pipe on BMW E9X M3, with its primary and secondary pairs of catalytic converters, is the most restrictive component of the exhaust system. The Macht Schnell Stainless Steel Race X-Pipe is a complete replacement and features a catless, high-flow resonated design for maximum power gains and optimal sound. Replacement gaskets and hardware are included for 100% reversible bolt-on installation that accepts most axle-back exhausts.Aftermarket software is required to prevent Check Engine lamp from illuminating. Stainless Steel Race X-Pipe Features:- 100% stainless steel construction - Catless for maximum power gains - Twin resonators for noise and drone reduction - Laser cut mounting brackets - Full bolt on installation WARNING: Please note that certain aftermarket exhaust systems may not comply with applicable US (including California) laws and regulations, and may therefore be prohibited for use on highways or roads, or on roads or vehicles otherwise subject to emissions contro