I just installed the Injen CAI and had a very hard time getting the breather hose on to their pipe, its still not on all the way, yet I've had no CEL's, so I'd assume its all good.

One question though, I've got a bit of a slapping sound in first and second gear, any ideas? Kinda like a flap opening and closing.

My friend says its my internal BOV, true?

It does sound sweet though, and there is a very noticeable difference in the way this thing pulls now, a very worthy upgrade in my opinion.

 

dont know but if you see no problems with it and power then who the hell cares!