Mk45 slip-on mufflers, born from decades of riding, racing, and testing, combine a perforated stainless baffle with RaceTEX packing for a deep rumble, more power and torque, and a unique look with aluminum end caps. Stainless/fiberglass repack, your choice of S+S Thruster or Tracer end caps, and a removable dB reducer included.
The Mk45 slip-on mufflers represent the culmination of several decades of experience in riding, racing, and extensive testing.
By pairing a stainless-steel perforated-core baffle with RaceTEX packing, they deliver a deep rumble, enhance power and torque, and add a distinctive aesthetic touch with stylized aluminum end caps.
Thanks to a repacking kit combining stainless steel and fiberglass, these mufflers produce a tone that is both deep and performance-oriented and help improve power.
Choose between S+S Thruster or Tracer end cap designs.
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Mk45 EC Slip-On Mufflers
Mk45 slip-on mufflers, born from decades of riding, racing, and testing, combine a perforated stainless baffle with RaceTEX packing for a deep rumble, more power and torque, and a unique look with aluminum end caps. Stainless/fiberglass repack, your choice of S+S Thruster or Tracer end caps, and a removable dB reducer included.
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Mk45 slip-on mufflers, born from decades of riding, racing, and testing, combine a perforated stainless baffle with RaceTEX packing for a deep rumble, more power and torque, and a unique look with aluminum end caps. Stainless/fiberglass repack, your choice of S+S Thruster or Tracer end caps, and a removable dB reducer included.