S&S CYCLE 4-1/2" MK45 Performance Mufflers - Black Tracer 550-0670 Automotive/UTV Tires - On Road 6:1 for 1200cc kit and

6:1 for 1200cc kit and 11

More air flow for improved performance

V111 Long-Block Engine - Evolution

96" and 103" engines are boosted 110"

S&S CYCLE 4-1/2" MK45 Performance Mufflers - Black Tracer 550-0670 Automotive/UTV Tires - On Road 6:1 for 1200cc kit and4 1 2" MK45 Performance Mufflers Black Tracer 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