Developed in collaboration with Yoshimura. Made from 304-grade stainless steel with brushed aluminum tip. Better sounding, better looking and 19% lighter than stock muffler. USDF/USDA approved spark arrester. Fuel injection system tuning not required. ROHVA and EPA compliant. Not EC compliant. High Output 172HP Upgrade Kit X3 is required on 2017 models. Maverick X3 and Maverick X3 MAX (Turbo and Turbo R models only)