[toyotaholic]

has anyone installed a tornado in their car? that think you put supposedly helping increase in power and fuel efficiency, does it work?

 

[Ostornadoe]

I'm sure this has been covered before, try a search, I searched and found a couple of things like this. And no, it doesn't work, it's a scam. Search for it, the big flashy search button up top, and you can read some stuff on it.