Brand New In Box. Fits Honda CRF450X 2005-2018 The T-6 JCR Replica Exhaust System offers maximum performance and is constructed of stainless steel throughout the head pipe, mid pipe and end-cap while the canister is aluminum. The T-6 is perfect for any closed-course or off-road racer looking for improved performance, durability and a professional look. More features offered by the T-6 is the ability to meet AMA amateur racing sound requirements and that it comes equipped with United States Forest Service (USFS) approved spark arrestors making it easy to alternate between off-road and closed-course racing. Features Include: Improved performance RC-4 Resonance Chamber to reduce noise output Stainless steel end-cap Aluminum canister Superior strength mounting bracket for durability Asymmetrical muffler design allows for increased packing volume Removable USFS approved spark arrestor TIG precision welding Made in the USA