I just recent got my 04 touring w/3000miles on it for under 27,500. Lookin' for a little underway project to do to my Z while i'm over in Iraq. I can order the parts now and install it once i get back. Can't do much to the engine now cuz it will "void" the warranty. However my question is, which turbo works best for the Z. The single turbo from turbonectics or the twin from greddy or APS? Any advice will be greatly appreciated!!