Yoshimura RS-2 Enduro Series Full System - Carbon Fiber Muffler 220500B250The Enduro Series are all equipped with USFS approved spark arrestor, forest friendly noise levels, and are tailpipe emissions compliant. CARB EPA tail pipe emissions compliant All applications are marked with appropriate EPA noise emissions labels Has not been tested for EPA noise compliance The RS 2 is a quieter system with a larger coreand it offers the added bonus of outstanding performance in a value priced package. Diamond shaped sleeve Large