T-6 is perfect for any closed-course or off-road racer looking for improved performance, durability and a professional lookMore features offered by the T-6 is the ability to meet AMA amateur racing sound requirements and that it comes equipped with a United States Forest Service (USFS) approved spark arrestor making it easy to alternate between off-road and closed-course racingStainless steel throughout head pipe, mid pipe and end-capMachined aluminum muffler bracket for strength and durabilityEquipped with RC-4 Resonance ChamberAluminum canister constructionAsymmetrical muffler configuration for increased packing volumeTIG precision weldingMade in the USA