Mk45 TOURING MUFFLER for M8 TOURING MODELS—Chrome with Black Tracer End CapMk45 Slip On Mufflers are the result of decades of riding, racing and tuning. Combining both a stainless steel perforated core baffle with Race TEX cartridge packing, they create a deep rumble and improved horsepower and torque, all while adding a unique look with styled aluminum end caps. Fitment 2017Up M8 touring models Features and Benefits 4. 5" design with stainless steel perforated baffle and Race TEX cartridge packing Show quality chrome