Do ya mean when you turn off the motor, mine always had a phoof sound out of each pipe when i shut down, don't no why but i always liked it...
05 SM Neon Blue/Black. Thunder Bike Cams & Pipes & Flowed Head. AI&Snork removed, Airbox Mods, 135mains, 42/17T, 140x80x17" TBS Front Wheel
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