Using your Injen cold air intake is straightforward. First, make sure your engine is cool before installation. Follow the included instructions carefully to attach the intake to your vehicle. Once installed, start your engine and enjoy the improved performance. As for maintenance, regularly check the air filter. You can clean the Injen SuperNano - Web dry air filter according to the provided guidelines. When cleaning, be gentle to avoid damaging the filter. Also, keep an eye on the intake tube for any signs of damage or loose connections. If you notice any issues, it's best to contact Injen's customer support. Remember to always use the intake within the recommended vehicle models and conditions to ensure optimal performance and safety.