Features: Stepped headers merge into a true reverse-cone megaphone muffler. 1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance. 4" muffler body with billet end cap. Removable spiral-core louvered baffle included. Heat shields and mounting hardware included. Made in the U.S.A.. Not for '08-'16 models w/ OEM air cleaner..
