Looking for an air filter that will boost your 1999.5-2003 7.3 Powerstroke's performance? Check out the AFE 30-80006 Pro 5R Drop In Airbox Filter! This filter is made with 100% polyurethane on all four sides and is designed to provide maximum airflow for best performance results. It's also washable and reusable for multiple cleaning cycles. Plus, the tall, open, evenly spaced pleats provide excellent dust holding capacity for a longer service cycle between cleanings. So don't wait any longer, ditch that stock paper filter and upgrade to the AFE 30-80006 Pro 5R Drop In Airbox Filter today!