AFE Pro-Guard 7 Air Filters Ford F-350 2003. Hit the performance air filter jackpot! The AFE Pro-Guard 7 Air Filter boasts 7 lucky cotton/synthetic material layers for the cleanest, highest volume airflow on the market. Plus, the durable material needs washing only once every 50,000 miles—a winning ticket for you. With a unique performance shape and design, the Pro-Guard 7 traps 11-times more dirt than unlucky paper disposable filters. Best of all, the AFE Pro-Guard holds all of this dust, dirt and particles without restricting airflow to your engine. The result is an immediatelynoticeable power difference over paper and cotton gauze filters. More horsepower, boosted torque and lower EGTs—an engine performance trifecta. Don't roll the dice on a disposable air filter—bet on the AFE Pro-Guard 7's outstanding dirt trapping capacity, high-flow ability and no-fuss long life. Plus, your Pro-Guard 7 Air Filter is covered by a Lifetime Warranty against defect. 2003 Ford F-350 AFE Pro-Guard 7 Air Filters. Air Filters, Air Filters.
