This Duraflex R - Spec rear wing trunk lid spoiler is a must - have for Mustang enthusiasts from 2010 to 2014. Whether you're cruising on the highway or showing off at a car meet, it'll make your Mustang stand out. The target group includes Mustang owners who want to enhance their car's appearance and performance. It's made of FRP material, which is both lightweight and strong, though the exact size and weight depend on the specific design of the 3 - piece spoiler. Professional installation is needed to ensure it fits perfectly on your car.