Upgrade the intake system in your 1999.5-2003 Ford 7.3L PowerstrokeÂ (Pickup & Excursion) with the AEM Brute Force Diesel Intake System 21-8114D. Designed to produce horsepower and torque by replacing your factory air filter and intake housing, this intake has been tested and dyno proven to maxmize gains on your truck. FeaturingÂ an extra-large AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower.Â The intake tubing is constructed from mandrel-bent aluminum featuring your choice of a durable powdercoated finish, or a mirror shine polished finish. This air intake system was developed to accommodate the engineâ€™s factory emissions control devices for an easy installation.Â The tapered cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions).Â Features: Increased Power & Performance Low Restriction Aluminum TubingÂ Washable & Reusable Oil-Free Filter MediaÂ CA Residents: CARB E.O. Number on file - LEGAL for use in California.