General description Electric Turbo Sound Car Fake Dump Valve Simulator is designed to fit most automobiles, providing an exciting way to simulate the sound of a turbo dump valve. Made from high-quality ABS plastic, this product combines durability with an appealing aesthetic in red and black colors. Technical specifications Height: 4.13" (10.5cm) Diameter: 3.94" (10cm) Connection System: 4-Wire Connection System (Red for Positive, Black for Negative, Blue and Green for Switch) Installation Connect the red wire to the positive battery terminal Connect the black wire to the negative terminal Run the blue switch wires through the firewall to the accelerator pedal Attach the micro switch to the accelerator pedal Connect the switch to the normally closed terminal and earth terminal on the micro switch Push the accelerator fully in; when releasing, the speaker will produce the dump valve sound Usage This simulator is used to create the sound of a turbo dump valve, enhancing the driving