Using your Seibon SR Carbon Fiber Rear Lip for your 2009 - 2020 Nissan 370z is easy. Just follow the installation instructions that come with the product. When it arrives, carefully inspect it for any damage during shipping. If you spot any, tell us immediately. During normal use, avoid hitting the rear lip on curbs or other hard objects to prevent scratches or cracks. To keep it looking great, clean it regularly with a mild soap and water solution. Dry it with a soft cloth. Remember, since this is a custom - built item, it takes time to manufacture, so be patient when pre - ordering.