Firstly. no I didn't mic the W-R's as I don't have a mic at home, but the wall thickness is THE SAME as the MSDS by comparing the pipe thickness as the exit of the front header (bare tube).
I will say that the EGR pipe will be an issue, but I think cutting the pipe half way and then using a dryer gas flezx pipe to reconnect them will work. that is what I am planning on doing on Bk's car. When it is done I will take photos of the setup.
For now here are the pics of the two header kits:
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!