4.5" MK45 Slip-On Performance Mufflers / '99-'23 Bagger

Experience the ultimate upgrade with S&S Cycles 4 1/2 MK45 Performance Mufflers, the choice of riders who know that the journey is all about power, sound, and unmatched style. Drawing from decades of riding and racing heritage, these mufflers are engineered to elevate your motorcycle's performance and auditory experience to new heights.

Why Choose MK45 Performance Mufflers?

• Superior Sound: Crafted with a stainless steel baffle and RaceTEX cartridge packing, combined with stainless steel and fiberglass, these mufflers produce a deep, rich rumble that resonates with power.
• Enhanced Performance: Not just about sound, the MK45s significantly improve horsepower and torque, giving you that extra edge whether you're cruising the city or powering through open roads.
• Distinctive Style: With styled aluminum endcaps, available in chrome or black ceramic body finishes, and billet end cap in two styles, these mufflers add a striking, unique look to your ride.
• Removable dB Reducer: Customize your sound with the removable dB reducer, allowing for flexibility in how you want your motorcycle to be heard.
• Consistent Quality: The multi-layered acoustic packing ensures the deep, performance tone remains consistent throughout the life of the muffler.
• Proudly Made in the U.S.A.: Embodying the pinnacle of American craftsmanship, each set of MK45 Performance mufflers is a testament to quality, performance, and durability.

Note: These mufflers are a qualified manufacturer declared replacement part for all models, except not suitable for Trike applications.

Redefine Your Motorcycle with MK45 Performance Mufflers

Elevate your motorcycle with S&S Cycles 4 1/2 MK45 Performance Mufflers, and embrace the fusion of performance and style. Sold in pairs, these mufflers are not just accessories; they are declarations of what your ride stands for. Choose MK45 Performance Mufflers for a motorcycle that sounds as powerful as it performs, turning heads with every rev of the engine.