Trask 2-Into-1 Big Sexy Exhaust System698109808 Product Description Recommended for use with 117 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 Big, bold sound Custom Assault style heat shields for a unique look Made in the U. S. A.