The AEM 21-9113DP Brute Force HD Diesel Air Intake System produces horsepower and torque gains by replacing the vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Ford 250/350/450 Super Duty and Excursion models. Air enters the system through 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 which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable chrome-like finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor, IAT sensor and filter minder gauge. The oval cone 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). The air intake system is easy to install with commonly available tools and it is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards while others are 50 state legal. View the 21-9113DP vehicle applications to determine the legal status for each vehicle.. AEM's Brute Force Air Intake Systems are tuned and dyno-tested to give your engine more power and acceleration by replacing the restrictive factory air filter, air intake tubing and air box assembly.. AEM 04-06 Ford F Series Super Duty Diesel Polished Workhorse 6.0L Power Stroke Brute Force Intake. Engine Cold Air Intake Performance Kit. B.F.H.D. FORD; V8 6.0L DSL; 2003-2006. AEM Brute Force HD Intake System. AEM Lifetime Limited Warranty. Brute Force HD Intake System. Brute Force HD Intak. AEM Brute Force HD I

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