S&S Cycle #550-0619 - 4-1/2" MK45 Performance Mufflers - Chrome with Black Thruster

Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning. Combining both a stainless steel baffle and fiberglass packing, they create a deep rumble and improved horsepower and torque, all while adding a unique look with styled aluminum end caps.
Fitment
1995–2016 Harley-Davidson® touring models
Features and Benefits
7 horsepower gain*4.5” design — with stainless steel baffle and Race-TEX cartridge packingShow quality chromeTuxedo Black Thruster end cap50-state legalRemovable dB reducerMade in USA!
*Tested with S&S Power Tune® Dual Header and Stealth Air Cleaner Kit
NOTE: Not recommended for Tri Glide® or other three wheel models, including conversions, due to ground clearance.

Fitment