A snowmobile is provided including an internal combustion engine, an induction system communicating with the engine, and a body defining an engine compartment in which the engine is at least in part contained. The body of the snowmobile includes at least two openings which communicate with the induction system, and a door movably positioned at at least one of the openings. The door is adapted to selectively open and close the opening to regulate a flow of induction air through the opening.