Has anyone tried one of these things? I know it is probably a gimmick, but the theory sounds true enough. One of the things I retained from college is when getting liquid out of a 5 gallon bottle to mix up a large container of adult beverages is that swirling the water in the container you are pouring from until a whirlpool is created inside of the bottle gets the liquid out much quicker. I can picture the same process inside of my air intake. Even if I only get a 2 mpg increase it will pay for itself rather quickly. They even sell it in a kit with a "fuel ionizer" made of rare earth magnets. I realize that magnets aren't going to ionize the hydrocarbons in the fuel, but again...if it even does a little... Anyone tried them?
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