Guys, that is a piece of trash...,but it IS possible to create an electric supercharger that works . I know because I have done it. You have to overcome the following obstacles....a big enough turbo to flow the air, a motor powerful enough AND fast enough to spin a massive turbocharger at a speed fast enough to produce at least 400-500hp (on a turbo map you will see that this requires rpm speed capability of 50-70K), a speed controller to control this motor, a battery bank that will produce enough amperage and voltage for said ESC/motor combo, the means to charge the bank from your alternator, and the ability to turn this much voltage/amperage on and off from the cockpit of your car. I have successfully done all of these things but I will tell you that with the money I spent it was about 3,000 dollars NOT $140. If you don't believe me, check the pics in my own post.