Replacement mufflers with mount tabs that bolt directly to the factory pipe bracket. Re-use stock clamps and hardware. The mufflers are lighter in weight and have an all steel core that will not burn out. Available in 3 different styles for Softail 1984 thru 1999, Softail Twin Cam 2000 to present, FXD Sturgis and Dyna models 1991 to present, and Sportster models 1980 to present. Slip fit mufflers for FLH and FLT models 1985 to present are available as Turn-Out mufflers only. All these mufflers are sold in pairs.