This Duraflex A Spec Rear Diffuser is great for car enthusiasts who want to enhance the look and performance of their 2006 - 2010 Mercedes W219 CLS55 or CLS63 AMG. When you're on the road or at a car show, it will make your car stand out. Made from FRP material, it's light but strong. It's designed to fit perfectly on your Mercedes, giving it a more aerodynamic and stylish appearance. You'll need a professional to install it, but once it's on, you'll love the new look of your car.