I don't really. They have an incredible production line going on. I'm only one person.
I used 1" .188 wall DOM for the tube on the arms, and 1.5" .188 wall for the bushing sleeve, machine out to 1.165" inner diameter.
Frame horns are dropped.
Yes its braced.
Replacement core support is welded on.
And clearanced for 18s.
So is the passenger side of the firewall.