Stepped headers merge into a true reverse-cone megaphone muffler
13/4" headpipe steps up to 17/8" into the collector to increase flow and improve performance
4" muffler body features black billet end cap with machined flutes
Removable spiral-core louvered baffle included
Available in long (21") and short (12") muffler lengths with chrome or black finish
Heat shields and mounting hardware included
Made in the U.S.A.