This 2010 - 2012 Ford Mustang Duraflex R500 Rear Diffuser Splitter is perfect for Mustang enthusiasts who want to enhance the look of their cars. Use it when you're cruising on the highway or showing off at car meets. It's made of FRP material and comes in a 4 - piece set. Whether you're a casual driver or a car enthusiast, this diffuser splitter will add a touch of style to your Mustang.