SUPERCHARGE ANY VEHICLE!!

Not really

http://www.spiralmax.com/

Who are these guys trying to fool? So if i put a propellar in my exhaust tip, ill get more power...riiiight.

Am i right?

 

actually you put it between the intake and the airfilter. but yeah its not gonna work. i think there was actually a long thread about that thing on this website. it was decided that the fins could break off and end up in your engine. that add says if you install too, you will feel and even bigger increase in power. what a bunch of[sm=bs.gif]