Using your Injen cold air intake is easy. First, make sure your engine is cool before installation. Follow the included instructions to carefully install the intake in your vehicle. Once installed, start your engine and enjoy the improved performance. When it comes to maintenance, check the Injen SuperNano - Web dry air filter regularly. You can clean it according to the instructions when it gets dirty. It's important to keep the intake tube free from any debris or blockages. If you notice any strange noises or a drop in performance, have the intake checked by a professional. 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 the warranty valid.