Use these side skirt splitters to upgrade the look of your 2008 - 2014 Subaru Impreza STI or WRX while driving on the street or at the track. They are ideal for car enthusiasts who want to give their Subarus a more aggressive and stylish appearance. The splitters are made of FRP material and come as a 2 - piece set, but specific size and weight details are not provided. Professional installation is a must.