75-10192 Afe Air Intake Stage 2 99-03 Ford Diesel 7.3l Pro Guard 7 Fits: Ford Diesel Trucks 99-03 V8-7.3L (td) The patented heat shield/air box includes a battery relocating tray to allow for the extra large Pro-GUARD 7 air filter. This intake system also features a heat-insulating molded plastic tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance . One-piece heat shield requires little or no assembly and the filter is constructed with 100% polyurethane for long life and multiple cleaning cycles. This intake is 50-state legal for 1999.5-2003 models (CARB E.O Number D-550-1).