These fender flares are perfect for car enthusiasts who want to upgrade the look of their 2011 - 2014 Subaru Impreza WRX STI 4DR. Whether you're hitting the track or just cruising around town, they'll make your car stand out. They're made of FRP material and come in a set of 6 pieces. They can fit wheels 4' wider than stock, giving your car a wider and more aggressive stance. Professional installation is needed to ensure a perfect fit.