This kit was designed to remove hot air from the back of your engine compartment for increased power and reliability. Quickly vents heated air produced by exhaust system and engine via two large 2.5" openings. Vents feature an integrated pre-filter that allows air to pass freely while keeping water out. Installs easily into plastic grab handle base with included hole saw tool. Kit includes two 2.5" Flo-Rite Vents and one hole saw.