TI-6 Exhaust - Designed to improve performance and power where the Ti-5 showed weak points - Constructed of titanium throughout the head pipe, mid pipe and canister - The ideal exhaust for any off-road or closed course racer looking for improved performance, durability and a professional look - Comes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course riding