Using this Injen cold air intake is straightforward. First, make sure your engine is cool. Then, carefully install the intake following the included instructions. You'll start noticing better performance right away. When it comes to maintenance, check the Injen SuperNano - Web dry air filter regularly. You can clean it according to the filter's cleaning guide to keep it working well. As for usage, there's no special trick. Just drive your car as you normally would, and enjoy the extra power and the great sound. Remember, always keep the intake away from water puddles and other liquids to avoid damage. If you have any questions, don't hesitate to contact Injen's customer service.