Using this Injen cold air intake is easy. First, make sure your engine is cool before you start the installation. Carefully follow the included instructions to attach the intake to your engine. Once installed, start your engine and enjoy the improved performance. As for maintenance, check the Injen SuperNano - Web dry air filter regularly. If it looks dirty, it's time to clean it. You can use a dry air filter cleaner, following the cleaner's instructions. Don't forget to let the filter dry completely before reinstalling it. When driving, avoid deep water puddles as water can damage the intake. Also, keep an eye on the engine's performance. If you notice any unusual sounds or a drop in power, it might be time to inspect the intake. This intake comes with a limited Lifetime Warranty, but to keep it valid, follow the maintenance guidelines and use the product as intended.