Using this Injen intake kit is a breeze. First, gather all the components included in the kit. Then, follow the step - by - step instructions for a direct - fit installation. Make sure to check that all parts are properly connected and tightened. When it comes to maintenance, regularly inspect the air filter. If it looks dirty, clean or replace it according to Injen's guidelines. This will ensure that your intake continues to perform well. As for usage, drive as you normally would, and enjoy the benefits of cooler air intake. Just keep in mind that extreme driving conditions may require more frequent checks. Also, don't forget that your Injen parts are covered by a limited Lifetime Warranty, so if you notice any issues, reach out to Injen's support team.