Vance & Hines 4 1/2 Torquer 450 Slip-On Mufflers For Harley Touring Give your H-D M8 Bagger what it yearns for, an exhaust that provides the rich, bold, and thunderous roar it deserves. Vance & Hines has heard you and the Torquer 450 slip-ons are the answer. These slip-ons were inspired by riders and engineered for euphoria, the Torquer 450's give you the performance and sound one is craving. Features: Cutting edge baffle design for an intimidating bold rumble Massive 4.5 diameter muffler bodies CNC machine billet end caps Mounting hardware and installation instructions included