Using these Noble STI style carbon fiber side skirts is easy. First, make sure your Subaru WRX is from 2022 to 2025 as they are specifically designed for these models. You'll find all the hardware you need in the kit. Just follow the instructions and you can install them on your car. As for maintenance, keep them clean with a gentle car cleaner. Avoid using harsh chemicals that could damage the carbon fiber finish. Also, be careful when parking or driving in tight spaces to prevent scratches or dents. If you notice any loose parts after installation, check the hardware and tighten them if needed.