Using this Injen cold air intake is easy. First, make sure your engine is cool before installation. Carefully follow the included instructions to remove the old intake and install the new one. When you start the engine after installation, you'll notice an immediate difference in performance. As for maintenance, check the Injen SuperNano - Web dry air filter regularly. If it looks dirty, clean it according to the instructions provided. This will ensure it continues to provide good airflow and filtration. When driving, be aware that this intake can give your engine more power, so adjust your driving style accordingly. And remember, this product comes with a limited Lifetime Warranty, so if you have any issues, reach out to Injen for support.