Originally Posted By Supercuda
If it worked as advertised all the OEM's would be running them.

They don't.

right there is your answer. i never thought much good about them and their claims......, but hey, the "tornado" [remember that "fine" item?] made more horsepower and you got LOTS better gas mileage as well, and it was cheaper to boot than a set of e3 plugs. but wait ! if you order in the next ten minutes, you will receive 2 "tornadoes" for the price of one ! laugh2
beer