Using this Injen intake system is easy. First, make sure your engine is cool. Then, follow the included instructions to remove the old intake and install this new one. It's designed to fit specific Honda Civic and Toyota Tundra models, so double - check your vehicle details. When it comes to maintenance, regularly inspect the Injen SuperNano - Web dry air filter. If it's dirty, service it according to the instructions. Keep the intake tube clean to ensure smooth airflow. Also, always follow your vehicle's normal maintenance schedule. And remember, this intake is covered by Injen's limited Lifetime Warranty, so you're in good hands.