What is your opinion of the Vortec Cyclone air in-take mini turbo booster for increased horse power and gas mileage?
it is a scam.
See below on similar item: don’t fall for it - if only it were that simple. If it truly worked, you would think carmakers who are scrambling for every last drop of fuel efficiency and performance would have incorporated already.
https://carkiller.com/scottykilmer/qa/tornado-intake-fuel-saver/#post-76517