Cobra 3 RPT Slip-On Mufflers For Harley Flhc/S / Flde Cobra consistently offers the market some of the top performing products at an extremely affordable price. Take these 3 RPT Slip-On Mufflers for example, as it uses constant velocity cores and bonded e-glass and stainless steel mesh to unbeatable performance as well as sound. Features 3 muffler bodies for great sound Mufflers can be repacked to tune the sound The RPT designation comes from adapting the design from out Race-Pro 4 in. muffler into this 3 in. size Race-Pro machined design tip that's held in place with 12-point bolts Includes O.e.m. style crossover on models that come stock with one for enhanced performance Comes with 2 constant velocity baffles Bonded e-glass fiber core and stainless steel mesh Easy installation using stock mounting brackets