Using this intake kit is easy. First, make sure your vehicle is turned off and cooled down. Then, carefully follow the included instructions to install the kit, which typically takes less than an hour. When driving, enjoy the increased horsepower and torque. For maintenance, under normal highway driving conditions, you can go up to 100,000 miles before servicing the filter. When it's time, simply wash the High - Flow Air Filter using the recommended cleaning solution and let it dry. After that, re - oil the filter as per the instructions. Remember, some intakes aren't legal for use on pollution - controlled vehicles in California, so always check the CARB status for your specific vehicle before using the product.