Oh dear God.
Do I really have to tell you where the search button is? Or to spend a bit of time searching the forum maybe?
You've been here a while, so you should know how to use these functions
No intakes we're changed between 03 and 06. The HR engine in 07 introduced the twin intakes and that's a 80% new engine over the VQ35DE.
03-06 main change is higher rev limit, EVVT, and a few other improvements to get the extra 20hp.