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I see commercials on this Vortex Valve and the claims on better mileage by using it. It is made for gas and diesel rigs. Has anybody used one and gained anything? I would buy one for each of my vehicle if they really work. Thanks, Herb
Hoax. It spins the air around but once it gets to the turbo fins or butterfly on the throttle the air does its own thing. If that thing worked so good automobile makers whould put it in there vehicles off the assembly line. Just my take on it.