DC2 Headers measurements?

[DUST]

Hi, can anyone help out by telling me the correct measurements of DC2 headers?

I want the measurements of the red line from the following pic.

http://i198.photobucket.com/albums/aa188/DUST2008/DSC01248.jpg

[patsdc2]

id like to know as well thanks

[tps09]

whats wrong with a measuring tape?