Using this Injen cold air intake is easy. First, make sure your engine is off and cool. Then, remove the old air intake system carefully following your vehicle's manual. Install the Injen SP intake in place, making sure all connections are secure. Start your engine and listen for the improved tone. As for maintenance, check the Injen SuperNano - Web dry air filter regularly. If it looks dirty, you can clean it according to the instructions provided. Keep the intake tube free from debris. When driving, avoid deep water puddles as water can damage the intake. Also, if you notice any unusual noises or a drop in performance, check the intake for any loose parts or damage. With proper use and maintenance, this intake will serve you well for a long time, thanks to the lifetime warranty.