Designed to improve performance and power over previous systems The ideal system for any rider or racer looking for improved performance, durability and a professional look Features stainless steel construction throughout headpipe, Y-collector mid pipe and aluminum silencer canister Features a removable USFS spark arrestor making it easy and fast to alternate between closed-course and off-road riding Asymmetrical muffler configuration for increased packing volume TIG precision welding Made in the U.S.A. EXHAUST TI6 DUAL YAM