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About FMF PowerCore 4 Spark Arrestor Slip-On Mufflers

FMF PowerCore 4 Spark Arrestor Slip-On Mufflers

  • Hi-Flo end cap boosts all-around performance
  • Computer-designed and dyno-tested for every 4-stroke application
  • Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
  • A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
  • Round perforated steel inner cores make for optimum flow, using hi-flo technology.

Warning:  California Proposition 65

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