Using your Injen cold air intake is simple. Just install it according to the included instructions, and you're ready to go. The intake will start improving your engine's performance right away, giving you more power and a great sound.
When it comes to maintenance, the Injen SuperNano - Web dry air filter is fully serviceable. Check it regularly for dirt and debris. If it looks dirty, clean it following the filter cleaning guidelines provided. This will keep the airflow optimal and maintain the filter's great filtration.
As for precautions, make sure the intake is properly installed and all connections are secure. Avoid driving through deep water, as this could damage the intake and engine. Also, follow the normal maintenance schedule for your vehicle, and keep an eye on the engine's performance. If you notice any issues, have it checked by a professional.