Using this Injen air intake is easy. First, make sure your engine is cool. Then, follow the included instructions for a direct - fit installation. You don't need any special tools. When you're done, start your engine and feel the difference. For maintenance, check the air filter regularly. If it looks dirty, clean it according to the instructions. Keep the intake away from water and extreme heat. Also, don't forget that this product comes with a limited Lifetime Warranty, so if you have any problems, contact Injen. Enjoy the improved performance of your vehicle with this high - quality intake.