Originally Posted by Mr Hyde
Says who???
Real tests under controlled parameters on closed oval tracks showed NO increase in MPG, and no power gains were shown on Dynos. This pieces of garbage dont do jack per Car & Driver & Sport Compact Car, and those were only 2 articles that I read myself. I have yet to see anything independant that showed any benefit.
Its nothing but an obstruction in your intake, and if you think that air is still swirling from where its sitting blocking your intake all the way to the combustion chamber, you're clearly not thinking it through.
says me, i have one and i feel it has increased my gas mileage...
i dont care what those controlled enviroment bullshit say, it works for me and thats all i care.