by the Oil Industry™
"The Chevy now gets 12.2 MPG, a savings of 11%. Based on this, I'd recommend the Tornado."
"We saw our Chevrolet Impalas increase 3 miles per gallon. Thank you."
"Tornado installed easily and improved fuel mileage."
"In my 40-years living the automobile service life, I can't remember any automotive product that was so in-expensive and maintenance-free as Tornado Air and delivered such positive results."
"My sister swears by this saying it absolutely works. She bought my dad one and he said he noticed a difference too."