HGK Racing - S13 Sideskirt SetCarbon gives strength and kevlar material provides flexibility. It will save you a lot of time in case of front end potential damage during competition weekend. All parts are for TRACK AND RACE CARS only (not exhibition), adjustments will be required at fitting. Please note that there may be occasional small imperfections, such as small cracks, scratches and or slight size variations, which in no way affect their high performance capabilities.