i've heard different opinions on this subject. i have my hammerhead stock muffler gutted and it is a little louder. whether it gained me anything....who knows. since it runs fine the way it is, i can't see spending the $300 on the HH250 performance exhaust. back pressure is the only thing that would concern me. you need a certain amount of it for good performance from the engine.
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07 HH250SS
UNI
HIT CLUTCH
DR. PULLEY VARIATOR
RED MAIN
17g ROLLERS
12T/45T SPROCKETS
IRIDIUM PLUG
HP CDI & COIL
LED LIGHTS
ASW CARBIDE
UNI
12g SLIDERS
RED MAIN
39T SPROCKET (coming soon)
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