Originally Posted by Cmike2780

The Injen has some issues with water getting sucked in. Some from running over puddles. The one's that I know of had them installed on a regular Z though. I'm not sure about the Nismo.

Honestly, I would go with some drop-in filters and HPS tubes and call it a day. The stock intake works pretty well compared to short ram intakes.

You'll have better gains with exhaust bolt-on's and an UpRev tune.