Minor update; added cooling opening and braces, checked for flexing at freeway speed. This shot is about 67mph, taken from the bottom of the lower grill. The braces have pushed the dam lip forward an extra inch or so.
(I almost didn't post this because my heat gun work looks so bad, sorry.)
Still plenty left to do.
EDIT: I almost forgot; this is the best way to take a picture of an air dam at freeway speed:
This is an old picture from back when I thought it was necessary to have a friend drive. But I've found that's not really necessary. Now I just do a long EOC / P&G.