1999-2005 DYNA - BIG BORE 4.5

4.5” HIGH FLOW PERFORMANCE ROLLED CONE MUFFLER WITH STEPPED BAFFLE FROM 2 ¼ TO 2 ½ INCHES. INCREASES BOTTOM TO MID RANGE TORQUE AND HORSEPOWER ON ALL MOTORS. TUNED PROPERLY CAN ACCOMMODATE 88" TO 143". 065 STAINLESS STEEL HEADERS, STEPPED FROM 1 ¾” TO 1 7/8” TO 2” AT THE COLLECTOR HAND TIG WELDED FROM TOP TO BOTTOM MACHINED STAINLESS STEEL HEADER COLLARS COMPLETE HARDWARE KIT WITH EVERYTHING YOU NEED TO MOUNT IT UP