Using this Injen cold air intake system is easy. First, make sure your engine is cool before installation. Follow the included instructions carefully to attach the intake system to your engine. When you're driving, you'll notice an immediate difference in performance. As for maintenance, check the air filter regularly. If it looks dirty, you can clean the Injen SuperNano - Web dry air filter according to the cleaning guide provided. This will keep the filter working at its best and maintain good airflow. Also, make sure all connections are tight and secure during your regular vehicle checks. Remember, this intake system is designed for specific models, so don't try to use it on other vehicles that aren't listed in the fitment table. And if you have any questions or encounter any issues, don't hesitate to contact Injen's customer service.