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About FMF Power Core 4 Spark Arrestor Slip-On Muffler

FMF Power Core 4 Spark Arrestor Slip-On Muffler

  • FMFs exclusive cross-weave internal packing provides longevity and maximum sound dispersion
  • Features a screen-type spark arrestor that does not interrupt exhaust flow or performance
  • Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
  • Optional Quiet Core insert will provide a decrease in sound level if desired
  • A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
  • Computer designed and dyno-tested for every 4-stroke application
  • Hi-Flo end cap boosts all-around performance
  • Round perforated steel inner cores make for optimum flow, using hi-flo technology
  • Elliptical aluminum can offers strategic sizing for superior performance.
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