FMF Powercore 4 Exhaust 040071 FMF040071

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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, whi ch 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 FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion Elliptical aluminum can offers strategic sizing for superior performance Optional Quiet Core insert will provide a decrease in sound level if desired Available with a screen-type spark arrestor that does not interrupt exhaust flow or performance Show more