S&S CYCLE Diamondback 2-1 50 State Exhaust System - Stainless Steel 550-0999A

Diamondback 2-1 50 State Exhaust System - Stainless Steel Full stainless steel exhaust system with stainless steel header pipe heat shields, Oversized stepped header primary tubes for optimal flow and performance, Header length helps your M-Eight motor make excellent power, 4" OD diameter stainless steel muffler ends before the rear axle, Four exhaust bungs for easy O2 sensor installation and air/fuel monitoring, Computer aided design & precision bending for improved ground clearance, Made in the U.S.A.