Features stepped, 1-3/4in. to 1-7/8in. , equal length headpipes designed for maximum performance. Included heatshields cover enough of the headpipes for heat protection but end inches from the collector to show off the stainless steel and hand TIG welding. Tapered, megaphone-style, long muffler body or 4in. Straight Can muffler body; systems mount off of traditional saddlebag location. Systems come with 18mm and 12mm Oxygen ports with sensors, adapters, and plugs. Includes removable baffle and end cap. Made in the u. s. a.