These Duraflex GT Concept side skirts are perfect for car enthusiasts who want to upgrade the look of their 2008 - 2012 Nissan Altima 2DR. Whether you're driving on the streets or showing off at car meets, these side skirts will make your car stand out. They are made of FRP material which is lightweight yet strong. They come in a 2 - piece set and are designed to fit perfectly on your Altima. Just remember, professional installation is a must.