Dual Large 3 - Layer Oil - Free Performance Air Filters This intake system utilizes oil - free, large 7 tall radial flow performance air filters with 3 - Layer synthetic media for maximum convenience. Top Mounted Heat Shield Design aFe developed this wrinkle - black powder - coated aluminum heat shield to snap onto the top of the lower half of the factory air box to provide a hassle - free installation utilizing factory mounting locations. Large Dual 3 - 12 Intake Tubes Dual Mandrel - bent Wrinkle - black Powder - coated aluminum intake tubes are designed with an torque H - pipe to balance intake tubes. Hassle - Free Installation All clamps, couplings, and hardware are included for hassle - free installation. This is a direct bolt - on kit that requires no cutting or drilling on factory parts.