I bought my 03 G35c used. I was thinking of putting in the imfamous z-tube...then i popped the hood and noticed what appeared to be the letter z on the tube thats in there.
is this the z tube? probably already installed? sounds like a dumb question but i'm not really sure if it is or not.
anybody have a good pic of the z tube installed so i can compare to see if it actually is the z-tube?
Thanks

 

Here is a picture of the Z tube.

 

thanks, i thought the z-tube was the piece that connects around where the oil gauge is and goes to around the filter area.