Using this K&N air filter is easy. First, locate your vehicle's factory air box. Open it up and carefully remove the old air filter. Then, place the K&N drop - in filter in the same position as the old one. Make sure it fits snugly and close the air box. That's it! You're ready to experience improved performance. As for maintenance, check the filter regularly. If it looks dirty, it's time to clean it. Wash the filter gently with a mild cleaner and let it dry completely. Once dry, re - oil the filter using K&N filter oil. Remember to follow the oiling instructions on the product. Avoid using harsh chemicals or high - pressure water when cleaning, as this can damage the filter media. Also, always refer to your vehicle's manual if you have any doubts during the installation or maintenance process.