S&S CYCLE 4-1/2" MK45 Performance Mufflers — 4-1/2" outer diameter, Slip-On, Chrome – 84 Big Twin, 84-16 Touring, 00-16 CVO

The MK45 4-1/2" touring mufflers are the result of decades of riding, racing and tuning. They combine precise engineering with race-proven materials to deliver a deep, muscular sound while improving horsepower and torque. 🔧🏁

• Stainless steel baffle and RaceTEX cartridge packing for exceptional flow and packing retention.
• Styled aluminum endcaps that add a distinctive look.
• Includes removable dB reducer for adjustable sound levels.
• Made in U.S.A.
• Not for Trike applications.

Easy to install and designed to complement a wide range of touring setups, these mufflers are built for riders who want both performance and character.