4-1/2" MK45 Performance Mufflers

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