Closed Box Air Intake w/Powercore Filter 03-04 Ford Expedition 5.4L V8 Volant Exterior Parts & Car Care - Truck Bed - Truck Bed Storage They just need a standard

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Closed Box Air Intake w/Powercore Filter 03-04 Ford Expedition 5.4L V8 Volant Exterior Parts & Car Care - Truck Bed - Truck Bed Storage They just need a standardVolant air intake systems utilize a high velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box. Volant's Cold Air box is larger than the factory unit and incorporates a larger opening to collect a higher volume of colder ambient air. This model includes a no maintenance PowerCore filter. By using Donaldsons