Fmf powercore 4 slip-on muffler aluminium yamaha raptor 2001-05

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