Top Definition
The definition of Vapster is vaporizing accessory producing superior tuned engine response. Vapster conditions fuel before it enters the combustion chamber of a fuel injected engine. It heats to fuel to its flash point so the fuel burns more completely inside the engine and not in the exhaust and catalytic converter.
Vapster is a fuel efficiency device whichs operates on fuel injected engines for cars, trucks, and boats.
by Gerald Rowley June 02, 2008

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