Using the Injen SP cold - air intake is easy. First, make sure your engine is cool. Locate the stock air intake system and carefully remove it. Then, install the Injen intake in its place, following the provided instructions. Connect all the hoses and clamps securely. When it comes to maintenance, check the Injen SuperNano - Web dry air filter regularly. You can clean it using a gentle brush to remove dust and debris. If it gets really dirty, you can follow the filter cleaning instructions that come with the product. For long - term use, keep an eye on the A/F ratio. If you notice any changes in engine performance, it might be a good idea to have it checked by a professional. And remember, since this intake comes with a limited Lifetime Warranty, keep your purchase receipt in case you need to use it.