This Carbon Creations rear diffuser is a must - have for car enthusiasts who own a 2014 - 2016 Mercedes CLA Class. Whether you're driving on the highway or showing off at a car meet, it will enhance your car's look and performance. The diffuser is made of carbon fiber, which is both lightweight and strong. It's a one - piece design and fits all 2014 - 2016 Mercedes CLA models, especially those with AMG and Sport bumpers. Remember, professional installation is needed to get the best results.