These Duraflex Z - Speed side skirts are perfect for Subaru Impreza WRX STI owners from 2002 to 2007 who want to enhance their car's appearance. Whether you're driving on the city streets or taking your car to the track, these side skirts will make your vehicle stand out. They're made of FRP material, which is strong and long - lasting. They come in a set of 2 pieces and are designed to fit all 2002 - 2007 Subaru Impreza models. A professional installation is needed to ensure a perfect fit.