This thread is useless without sound clips!
I also like this thing, it must be incredibly new technology. It's an intake kit, supercharger, and turbo, all in one! You get all that power and better fuel mileage by sticking a little impeller inside your intake pipe and giving it even more resistance....
http://www.amazon.com/Wrangler-Performance-Intake-Supercharger-Turbo/dp/B000XG55X8/ref=sr_1_3?ie=UTF8&s=automotive&qid=1213719510&sr= 1-3