Customize the look under the hood of your 2015 Ford Mustang Ecoboost, V6 or GT with this hot new Windshield Washer Fluid cover from UPR. Made from 6061 Billet Aluminum for a great fit over your factory cap and a factory style engraving. This new style cap matches other underhood offerings that can be bought individually or in packages for a clean consistent look under your hood.