Features: 1.Made of high quality ABS material, durable in using 2.Universal auto parts car fake dump valve electronic turbo blow off valve sound for most auto car vehicle automobile 3.Black wire is for negative, red wire is for positive, blue wire is for the switch 4.According to the loading: connect the cathode wires battery, switch connected to the vehicle accelerator 5.You will have all the sounds and style of a turbo but without any of the expensive cost Specification: Description: The main feature of the electronic blow off value is to simulate the dump value sound. You don't have to cash out on a turbo kit, and this will not increase your insurance premium either. You will have all the sounds and style of a turbo but without any of the expensive cost. Features: 1. Made of high quality ABS material, durable in using. 2. Universal auto parts car fake dump valve electronic turbo blow off valve sound for most auto car vehicle automobile. 3. Black wire is for negative, red wire is for positive, blue wire is for the switch. 4. According to the loading: connect the cathode wires battery, switch connected to the vehicle accelerator. Specifications: Material: ABS Plastic Main Color: Red + Black Size: As the picture show Connection: Black wire is for negative, red wire is for positive, blue wire is for the switch Package Weight: 443g Quantity: 1 Set (as the picture show) Fitment: Applicable to most auto car vehicle automobile. Installation Instructions: 1) Wired red wire to positive battery terminal; 2) Wired black wore to negative terminal; 3) Fed switch wires (blue) through fire wall to accelerator pedal; 4) Attached micro switch to accelerator pedal; 5) Connected switch to the normally closed terminal and earth terminal on micro switch; 6) Push accelerator fully in, when releasing the speaker makes dump valve sound. Package Included: 1 x Car Fake Dump Valve Electronic Turbo 1 x Mounting Bracket Set of Mounting Accessories Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. PackageList: