Stepped headers merge into a true reverse-cone megaphone muffler1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance4" muffler body with billet end...
Stepped headers merge into a true reverse-cone megaphone muffler1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance4" muffler body with billet end...
Stepped headers merge into a true reverse-cone megaphone muffler1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance4" muffler body with billet end...