Using your Injen SP Cold Air Intake System is easy. First, make sure your engine is cool before installation. Carefully follow the included instructions to mount the intake system in place. Once installed, start your engine and enjoy the improved performance. As for maintenance, regularly check the Injen SuperNano - Web dry air filter. If it looks dirty, it's time to clean it. You can use a filter cleaning kit specifically designed for this type of filter. Always follow the cleaning instructions on the kit. When driving, avoid deep water puddles as water can damage the intake system. Also, keep an eye on any loose connections and tighten them if necessary. With proper use and maintenance, your intake system will last a long time and keep your car running great.