1Pcs Exhaust Sound Wave Simulator Motorcycle Tail Throat Turbine Whistle Automobile Pipe Sounder Exhaust Pipe Turbine Whistle

Color: red, blue, silver, black, gold Product size:S/M/L/XL The whole contains: 1 sound whistle 1 wrench 1 screw Product Name: Turbo whistle Main material: aluminum alloy Whistle (caliber / length / weight) Size: As the picture

Each person measurement method is different a little error Sound principle: pressure relief sound whistle, clip mounted on the exhaust pipe aluminum whistle, the airflow through the exhaust pipe to make its sound.

Packing list: 1PC