2004 2005 Ford F-150 4.6L cold air intake by K&N 57-2557. The K&N Fuel Injection Performance Kit for the F-150 4.6L provides a 7.8 horsepower gain and better fuel efficiency. Features the famous K&N high flow cotton gauze air filer for superior dirt filtration. The air tube is designed for maximum air flow and to reduce air turbulence and insulate the air/fuel mixture from heat. Easy to install with simple hand tools. Includes detailed installation instructions and all hardware required.
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