Completely re-designed 1997-2004 C5/Z06 Corvette fan package to utilize a laser cut aluminum shroud. The shroud incorporates (4) four rubber flapper valves to improve air flow at high speeds and close at slower speeds. Two Spal 12" high performance fan provide 3200 cfm, which doubles the factory output. What makes this really cool is we customized the fans with matching Corvette fan plugs, so no cutting or splicing is required. Features: (2) 12" Fans with pre-installed, factory connectors (1)Laser Aluminum Cut Shroud Moves 3200 Cubic Feet Per Minute (Double Factory Air-Flow) (4)Rubber Flapper Valve To Improve Air-Flow at High and Slow Speeds No cutting or splicing into factory wires.