S&S Cycle #550-0669 - 4-1/2" MK45 Performance Mufflers - Chrome Tracer

Mk45 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
2017–Up M8 touring models
Features and Benefits
4.5" design — with stainless steel perforated baffle and Race-TEX cartridge packingShow quality chrome muffler body finishChrome Tracer end capProduces a deep bass rumble throughout the RPM rangeRemovable dB reducerMade in USA!
NOTE: Not recommended for Tri Glide® or other three wheel models including conversions due to ground clearance.

Fitment

Year(s)	Make	Model Code	Model
2017-2025	Harley-Davidson	—	M8 Touring