Stepped headers merge into a true reverse-cone megaphone muffler
1-3/4″ headpipe steps up to 1-7/8″ into a 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
24″ muffler length
12 mm and 18 mm O2 sensor port plugs included
Made in the U.S.A.