FMF Powercore 4 HEX Spark Arrestor Slip-On Muffler (044471) Overall increase in power and torque. Durable stainless steel and aluminum construction. Space Age internal packing material for maximum longevity. Internal shape of core uses Hi-Flo technology... $449.99 $335.31 Add to Cart The item has been added Compare
FMF Powercore 4 HEX Spark Arrestor Slip-On Muffler (045521) 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... $449.99 $335.31 Add to Cart The item has been added Compare
FMF Powercore 4 HEX Spark Arrestor Slip-On Muffler (045553) 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... $449.99 $335.31 Add to Cart The item has been added Compare
FMF Powercore 4 HEX Spark Arrestor Slip-On Muffler (045589) 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... $449.99 $335.31 Add to Cart The item has been added Compare
FMF Powercore 4 HEX Spark Arrestor Slip-On Muffler - WR250F/YZ250F/FX (044451) 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... $449.99 $339.69 Add to Cart The item has been added Compare
FMF PowerCore 4 Slip-On Exhaust Muffler - Honda CRF110F (041579) Features a Hi-Flo stainless steel core and formed end caps Aircraft grade aluminum canister You will swear the motor has been bored and stroked with the first twist of the throttle Pounds lighter... $209.99 $180.03 Add to Cart The item has been added Compare
FMF Powercore 4 Spark Arrestor Slip-On Exhaust Muffler - KLX140 (042161) 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... $289.99 $242.64 Add to Cart The item has been added Compare
FMF Powercore 4 Spark Arrestor Slip-On Muffler (041048) 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... $359.99 $313.20 Add to Cart The item has been added Compare
FMF Powercore 4 Spark Arrestor Slip-On Muffler (041273) 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... $449.99 $335.31 Add to Cart The item has been added Compare
FMF Powercore 4 Spark Arrestor Slip-On Muffler (041275) 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... $449.99 $366.19 Add to Cart The item has been added Compare
FMF Powercore 4 Spark Arrestor Slip-On Muffler (041276) 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... $449.99 $335.31 Add to Cart The item has been added Compare
FMF Powercore 4 Spark Arrestor Slip-On Muffler (041284) 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... $449.99 $335.31 Add to Cart The item has been added Compare