Use this front lip under spoiler air dam when you're driving your 2011 - 2014 Subaru Impreza WRX STI on the street or the track. It's perfect for car enthusiasts who want to improve the look and aerodynamics of their vehicle. The spoiler is made of FRP material and comes in a one - piece design. Although specific size and weight details aren't provided, it's lightweight due to the FRP material, which helps in enhancing your car's performance.