Ok guys, maybe someone can enlighten me here. I have been looking around a little for a larger downpipe. I have not come across anything yet. Why is this? I see larger down pipes for the Ford and Dodge out there but, I can't seem to find one for my Dmax. Is there no need for one or is there not space for one? I would think that I could bring my egt's down a little more if I could run 4" right off the turbo rather than at the the bottom of the down pipe. I currently have a DPP 4" system on my truck and am very happy with it but, with planned mods, am looking to see what else I can do to lower egt's.