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.
- 2017-'18 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 KitNOTES:
*Qualified manufacturer declared U.S. 50-State legal emissions replacement part on all 2017 FL Touring models.
Manufacturer: S&S Cycle
Part #: 550-0666
S&S Mk45 Black Thruster End Cap - Ceramic Black Body Finish - 4.5" Slip-On Muffler for 2017-'18 M8 Touring Models 550-0666
- Brand: S&S Cycle
- Product Code: 550-0666
- Availability: In Stock