Use these rear spat extensions when you want to enhance the look of your 2015 - 2017 Ford Mustang. They're perfect for Mustang owners who love to customize their cars and make them stand out. The extensions come in a 2 - piece set made of FRP material. Although specific size and weight details aren't provided, rest assured they're designed to fit your Mustang perfectly and add a touch of style without adding too much bulk.