Using this Injen cold air intake is straightforward. First, make sure your engine is off and cooled down. Remove the old air intake following the vehicle's maintenance manual. Then, install the new Injen intake in its place, ensuring all connections are tight. When driving, you'll notice improved engine performance right away. As for maintenance, check the air filter regularly. If it looks dirty, clean or replace it as needed. Also, keep an eye on the intake's connections and make sure they stay secure. Avoid using harsh chemicals on the intake to prevent damage. And always refer to your vehicle's manual for any specific requirements or warnings.