Corvette AIRAID Direct-Fit Replacement Air Filter - Dry Filter - Red : C7 Stingray LT1Air Filter; SynthaMax Dry; Red; AIRAID Direct Fit Replacement filters fit in the factory air box and are drop in replacements for stock paper filter elements. Constructed using the same premium materials used in our Cold Air Intake Kits, these filters offer significant improvements in air flow and filtration while being washable and reusable. Why throw money away on a paper filter each time the old one gets dirty when you can upgrade to a serviceable