Using your K&N drop - in air filter is a breeze. First, locate your vehicle's factory air box. Open it up and carefully remove the old air filter. Then, place the K&N filter in the same spot where the old one was. Make sure it fits snugly and close the air box. As for maintenance, it's recommended to clean the filter every 50,000 to 100,000 miles, depending on your driving conditions. To clean, use K&N's specific filter cleaning kit. Just follow the instructions on the kit. When oiling the filter after cleaning, use only K&N filter oil. Avoid over - oiling as it can cause problems with your engine's sensors. Store the filter in a dry place when not in use. If you have any questions, K&N's customer service is always there to help.