Recommended for use with 117รถ M-Eight engines and other engines that make 140+ horsepower Three-step header design with a high-flow merge muffler design Double-slip joints for heat expansion and exhaust seal quality High-quality mandrel-bent stainless steel construction Custom Assault-style heat shields for a unique look Big, bold sound Made in the U.S.A.. EXH 2:1 BIG SEXY M8 POL