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
Mounting hardware included
12″ muffler length
Heat shields included
Made in the U.S.A.