Cutout was welded in yesterday morning! Just need to attach the valve and turndown, and route the power to the cabin for connection to the fuse box.
I had them weld it in to the straight section that I originally planned on. It fit perfectly and I had them angle the cutout so it goes to the side of the car and down slightly. I'll be able to further direct the exhaust down and out with the turn-down, directing the exhaust away from the underbody completely.
Before:
20170830_110843 by
Matt Steele, on Flickr
After:
20170830_112055 by
Matt Steele, on Flickr
20170830_112055 by
Matt Steele, on Flickr