AFE Intake Systems, AFE Intakes, AFE Cold Air Intake Stage 2, Stage 1 Ford F-450/550 2003. Stop that stock intake from strangling your vehicle's performance. AFE's Cold Air Intake System delivers seat-of-your-pants power gains and lets you to choose performance and filter options. Depending on the performance needs of your engine, AFE replaces restrictive stock parts with custom-tuned components. Most kits include an AFE performance filter of your choice and all come with a powder-coated steel heat shield to keep the air flow cool. And, it gets better. Some kits actually replace the entire stock intake system. Your engine gets the maximum, most efficient air intake possiblemonster gains of up to 50 horsepower! What's more, AFE Air Intakes work with your other performance upgrades to bring out the best your engine has to offer. Every AFE Cold Air Intake includes the filter and everything needed to optimize performance. And, the bolt-on design only takes about half an hour to install. Plus, your AFE Cold Air Intake Kit is backed by a Lifetime Warranty. 2003 Ford F-450/550 AFE Intake Systems, AFE Intakes, AFE Cold Air Intake Stage 2, Stage 1. Gas Saving Products, Air Intakes.