4-1/2" MK45 Performance Mufflers - Chrome Thruster Large For use on all mountain

For use on all mountain and road bike tubeless systems to prevent flats and seat beads

Side slit pockets

Extends the drivers seating area by a full 2"

Designed for high performance applications for all air and water-cooled 4-stroke gasoline engines

4-1/2" MK45 Performance Mufflers - Chrome Thruster Large For use on all mountain4 1 2" MK45 Performance Mufflers Chrome Thruster Mk45 4 1 2" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle and RaceTEX cartridge packing Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled aluminum endcaps Removable dB reducer Made in U. S. A. Not for Trike applications