Using your Injen SP cold air intake is easy. First, make sure your engine is cool before installation. Follow the included instructions carefully to install the intake correctly. Once installed, start your engine and enjoy the enhanced performance. As for maintenance, regularly check the Injen SuperNano - Web dry air filter. If it looks dirty, you can clean it according to the cleaning instructions provided. This will ensure it keeps providing good airflow and filtration. Also, keep an eye on the overall intake system for any signs of damage or loose parts. If you notice anything unusual, it's a good idea to have it checked by a professional. Remember, this intake comes with a limited lifetime warranty, so follow the maintenance guidelines to keep the warranty valid.