S&S 4 1/2" MK 45 Thruster Slip On Mufflers For Harley Touring

The S&S Cycles Power Tune Performance Exhaust mufflers are the result of decades of riding, racing and tuning. Combining both a stainless steel perforated core baffle and RaceTEX cartridge packing, these 4 1/2" diameter muffler bodies create a deep, performance tone and result in improved horsepower. 

Features:

• Fitted with billet end caps
• Multi-layered acoustic packing
• 7 horsepower gain with S&S headers and Stealth air cleaner
• Removable baffle
• Simple to install
• Sold in pairs
• Made in the USA