Exhaust throat of automobile exhaust pipe modification whistle motorcycle sound wave turbo beat exhaust pipe megatron super - run sounder

Can use the mouth to tighten the whistle inlet to blow hard, can hear the whistle. Those that can blow are normal. Those that cannot blow can contact us for return and replacement. We will be responsible for the freight.

Description: This is a whistle that imitates the sound of turbine pressure relief. It is clamped on an aluminum whistle on the exhaust pipe to make the sound through the air flow of the exhaust pipe.

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