This rear diffuser is perfect for car enthusiasts who own a 2008 - 2011 Mercedes C Class or C63 W204 with an AMG bumper. It can be used when you want to enhance the look of your car or improve its aerodynamics. The diffuser is made of FRP material, which is lightweight yet strong. It comes in a single - piece Super Fin style that gives your car a sporty and modern appearance. Professional installation is needed to ensure it fits perfectly on your car.