Using the Injen SP cold air intake is straightforward. First, make sure your engine is off and cool. Then, follow the included installation instructions to replace your existing air intake system with this one. When it comes to using your vehicle, the intake will automatically start working to improve airflow and performance. As for maintenance, check the Injen SuperNano - Web dry air filter regularly. If it looks dirty, you can clean it according to the filter's cleaning guide. This will ensure it keeps providing good airflow and filtration. Also, during installation, make sure all connections are secure to prevent any air leaks. And remember, this intake comes with a limited Lifetime Warranty, so if you have any issues, reach out to Injen for support.