Using your Injen Power - Flow Air Intake System is straightforward. First, make sure your engine is cool. Then, follow the included instructions for direct - fit installation. It's a simple process that doesn't require any special tools. When it comes to maintenance, check the air filter regularly. If it looks dirty, it's time to clean or replace it. You can use a standard air filter cleaner available at most auto stores. Keep an eye on the intake system for any signs of damage or loose connections. If you notice anything unusual, don't hesitate to contact Injen's customer support. Also, remember to keep the intake area free from debris to ensure the best performance of your system. And with Injen's limited Lifetime Warranty, you have peace of mind knowing your investment is protected.