Using this K&N intake kit is simple. First, make sure your engine is cool before starting the installation. It typically takes less than 90 minutes to install. Just follow the included instructions and you'll have it up and running in no time. When it comes to maintenance, under normal highway driving, you can go up to 100,000 miles before servicing the filter. When the time comes, simply wash the High - Flow Air Filter and re - oil it with K&N filter oil. Also, be aware that some intakes are not legal for use on pollution - controlled motor vehicles in California. Always check the CARB status for your specific vehicle in the product specifications to avoid any legal issues.