Using this Injen cold air intake is easy. First, make sure your engine is off and cool. Then, remove the old air intake system following the vehicle's service manual. Install the new Injen cold air intake in place, ensuring all connections are secure. For the best results, start your engine and check for any unusual noises or air leaks. When it comes to maintenance, check the air filter regularly. If it looks dirty, clean or replace it as needed. Keep the intake pipes free from debris and any signs of damage. Also, make sure to follow the local laws and regulations regarding vehicle modifications. With proper use and care, this cold air intake will serve you well and enhance your engine's performance for a long time.