7 Large Air Filter This intake system utilizes a pre - oiled, large 7 tall conical 360 degree radial flow performance air filter with 5 - layers of progressive finer mesh cotton media providing maximum airflow and performance. Top Mounted Heat Shield Design aFe developed this 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. High Quality Tube This system uses a high quality, dyno - tuned intake tube to achieve maximum power gains while maintaining a perfect fit.