Mk45 Slip-On Mufflers are the result of decades of riding, racing and tuning.
Combining both a stainless steel perforated core baffle with RaceTEX cartridge packing, they create a deep rumble and improved horsepower and torque, all while adding a unique look with styled aluminum end caps.
Using both stainless steel and fiberglass packing, these mufflers create a deep, performance tone and improved horsepower
