FMF Racing PowerCore 4 Spark Arrestor Slip-On Muffler - Hex Slip-On - 042387

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