Abstract: A forced air induction system is provided in an air box of an ATV. A fan is installed in the air box adjacent to an enlarged air inlet. The fan sucks air into the air box and pushes air through the air box and through an air filter to a downstream carburetor. This pressurized air to the carburetor produces a boost in power, acting as a supercharger for the ATV to thereby increase horsepower delivered. The continuous pressurized air flow results in at least a 20% increase in power output by the ATV.