Use this rear diffuser when you want to give your 2012 - 2015 Tesla Model S a sporty and stylish look. It's perfect for Tesla owners who love to customize their cars. The diffuser is made of FRP material, which is strong and durable. It's designed to fit all 2012 - 2015 Tesla Model S models. You'll need a professional to install it, but once it's on, your Tesla will stand out on the road.