Offers the same performance as the Ti-6 Stainless steel throughout head pipe, mid pipe and end-cap Aluminum canister construction Equipped with RC-4 Resonance Chamber Machined aluminum muffler bracket for strength and durability Asymmetrical muffler configuration for increased packing volume Machined mid pipe to head pipe joint for a better, leak free fit Removable USFS approved spark arrestor Rubber bracket mount TIG precision welding Made in the USA For the 2019-2021 models, a rubber mount has been inserted into the bracket to help prevent potential cracking of the subframe. 0121945G