C6 LS2 Corvette Air Filter Kit K&NTwo filters are required to replace the factory filters for the C6 Corvette. K&Ns replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple.