Exhaust

Spark arrestor screen insert included Closed course competition use only. MUFFLER P-CORE 4 HEX MFLR KX450F

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...

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...

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 Enhanced sonic evacuation provides for higher flow and...

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 Enhanced sonic evacuation provides for higher flow and...

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 Enhanced sonic evacuation provides for higher flow and...

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 Enhanced sonic evacuation provides for higher flow and...

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 Enhanced sonic evacuation provides for higher flow and...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi-Flo end caps make for the...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi-Flo end caps make for the...

Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Removable spark arrestor included. MUFFLER PC4 S/A XR650L

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 Enhanced sonic evacuation provides for higher flow and...