Ti-6 Pro titanium exhaust system is created as a full race system Designed to increase performance and help professional racers pass AMA/FIM sound regulations Machined aluminum muffler brackets for increased strength and durability Asymmetrical muffler configuration for increased packing volume Most systems equipped with a RC-4 Response Chamber for reduced sound output machined mid pipe to headpipe joint for a better, leak-free fit TIG precision welding Made in the U.S.A.. EXHAUST TI-6PRO 0312225FP