01sapphirebob
Enthusiast
I believe I got that nu,ber from "The VIper Buyers Guide." but I think the poster right after you might be right. I am speaking from the bottom of the fasica, not the lip (which I guess would be the chin spoiler) on the fasica.
Did you raise your ride? I'm just shy of 3" clearance from the lowest point on the bumper. I have a Roe that adds a bit of weight up front but that's it.