18-20 Ford F-150 SF1 Fender Flares Rough CountryRough Country's SF1 Fender Flares help you get the tough looking finishing touch that your build deserves with a one of a kind design. These flares complement the truck's body lines offering a clean look that will turn heads. The SF1 flare design gives the perfect amount of additional tire coverage for an oversized wheel and tire package and feature an integrated rear mud catcher to help reduce tire sling down the truck side. They are easy to install