FMF Q4 Series Slip-On Muffler -

FMF Q4 Series Slip-On Muffler



  • The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
  • Less mass to enhance power-to-weight ratio
  • Quiet power with minimal sacrifice for performance
  • Developed over years of championship off-road racing
  • Twin-stage core design for lower sound output and extended life of packing material
  • Comes standard with spark arrestor