These Duraflex X - 5 rear add - on spat bumper extensions are perfect for car enthusiasts who want to give their 2011 - 2013 Scion tC a more aggressive look. Use them when you're cruising around town or showing off your car at car meets. They are made of FRP material and come in a 2 - piece set. Although the exact size and weight aren't specified, you can be sure they'll fit your Scion tC perfectly and enhance its appearance.