Using your Injen SP series cold air intake is easy. First, make sure your engine is cool before installation. Carefully follow the included instructions to install the intake in your vehicle. Once installed, start your engine and enjoy the improved performance. As for maintenance, regularly check the Injen SuperNano - Web dry air filter. When it gets dirty, remove it and clean it according to the instructions. This will keep the airflow optimal. Always make sure all connections are tight to prevent any air leaks. If you notice any unusual noises or a decrease in performance, check the intake system for any damage. Remember, this intake comes with a limited lifetime warranty, but proper use and maintenance are key to getting the most out of it and keeping it in good condition.