Use this rear diffuser when you want to enhance the look and performance of your 2001 - 2007 Mercedes C Class W203. It's perfect for car enthusiasts who love to customize their vehicles and add a sporty touch. The diffuser is made of FRP material, which is lightweight yet strong. While specific size and weight details aren't provided, you can expect it to fit perfectly on your car's AMG rear bumper as it's designed for this exact application.