99FiveOh
10 Year Member
It's 3/4 NPT. I got mine from Lowes. I deleted my EGR because I went to a Fox TB setup and didn't want to fool with it. Before my tune, I'd get a WOT CEL because the plunger was being held open with a block off plate I had sandwitched between the EGR and intake. Got my tune and it went away.