The spark arrestor is the screen mesh at the very end of the exhaust. It prevents any fire or flame from coming out of it. Removing it helps the engine breathe easier.
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-Josh My Ride:
ASW Carbide
Mods:
Dr. Pulley Hit Clutch
FMF Slip-On Exhaust
No Rev. CDI
Uni Air Filter
130 Main jet
1500 RPM main clutch spring
11g sliders
75w Halogen Headlights
CARBIDE!
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