Using your Injen cold air intake is easy. First, make sure your engine is off and cooled down. Then, carefully install the intake following the included instructions. 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 cleaning guide that comes with the intake. If you notice any strange noises or a decrease in performance, it might be a sign that something is wrong. In that case, stop using the vehicle and check the intake for any damage. Remember, always follow safety procedures when working on your vehicle. And with Injen's limited Lifetime Warranty, you can have peace of mind while using this great product.