aFe Power Magnum FORCE 54-10751 Performance Intake System for Ford Crown Victoria (Oiled, 5-Layer Filter) 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power One-piece heat shield uses factory mounting locations Comes with all brackets and hardware for a hassle-free installation This product is 50-state legal (CARB E.O Number D-550-2)