Yoshimura RS-3 Comp-Series Full System - Stainless Steel Muffler - Aluminum End Cap , Material: Stainless Steel, Color: Silver D461AFS-SA Enduro Series systems are an evolution of Yoshimuras early off road efforts crafting off-road exhaust systems. The 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