S&S Cycles
Mk45 Black Thruster End Cap - Ceramic Black Body Finish - 4.5" Slip-On Muffler for 2017-2018 M8
Part # 550-0666 Touring Models
4.5" 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.
Fitment
2017-2018 Touring Models
Features And Benefits
7 horsepower gain*
Includes removable dB killer to tune sound and back pressure.
Stainless steel baffle with RaceTEX cartridge packing
Ceramic black finish with lifetime warranty
*Tested with Stealth Air Cleaner Kit
Disclaimer
*Qualified manufacturer declared U.S. 50-State legal emissions replacement part on all 2017-'18 FL Touring models.