Using this air intake kit is straightforward. First, make sure your engine is cool before installation. The kit usually comes with all the necessary parts and instructions, and it can be installed in less than 60 minutes. Just follow the steps in the manual carefully. When it comes to maintenance, under normal highway driving conditions, you can go up to 100,000 miles before servicing the filter. When the time comes, simply remove the filter, wash it, and re - oil it as per the instructions. Be aware that in California, some of these intakes are not legal for use on pollution - controlled motor vehicles. Always check the product specifications for the CARB status of each part for your specific vehicle to avoid any legal issues.