Using this K&N intake kit is easy. First, gather all the tools you need. The installation usually takes less than an hour. Just follow the step - by - step instructions that come with the kit. Once installed, your engine will get more airflow, which means better performance. As for maintenance, the air filter is washable and reusable. Under normal highway driving conditions, you can go up to 100,000 miles before servicing the filter. But if you drive in dusty or dirty environments, you might need to clean it more often. Be aware that some intakes are not legal for use on pollution - controlled vehicles in California. Always check the CARB status of each part for your specific vehicle to avoid any legal issues.