Tornado Air Management Systems is based in Downey, California and they make the Tornado, a non-moving turbine-shaped device which improves gas mileage by installing into either the air intake hose on fuel-injected vehicles or inside the air filter housing on carbureted vehicles. Tornado offers a 30-day money back guarantee and lifetime guarantee on the Tornado itself. The Tornado is said to deliver average fuel economy increases of 1 to 2 mpg. Tornado Air Management Systems has quotes from several industry experts in the racing and automotive repair areas that support these claims. The company's website also has news articles available to read that also support this view.
