Product details:

Bike not included. Stepped headers merge into a true reverse-cone megaphone muffler 1 3/4in. headpipe steps up to 1 7/8in. into the collector to increase flow and improve performance. 4in. muffler body with polished billet end cap. Removable spiral-core louvered baffle included Includes mounting hardware. Available in long (24in.) and short (12in.) muffler lengths with chrome or black finish. 16-gauge steel headpipe and heat sheild. Made in the USA.