Using these canards is easy. Just install them on the front bumper of your 2018 - 2021 Subaru WRX or STI as per the provided instructions. When driving, you'll notice improved stability and traction, especially at high speeds and during cornering. For maintenance, clean them regularly with a mild soap and water solution. Avoid using abrasive cleaners that could scratch the carbon fiber surface. Also, check the installation periodically to make sure all parts are secure. If you notice any damage, replace the canards promptly to maintain optimal performance.