Got mine and installed yesterday. Before installation I documented the amount of curve Chris machined into the back.
End result
Got to say Chris has been an absolute pleasure to work with. I felt in the loop at all times totally involved with the decision process. For a truly custom creation Chris' product is truly a bargain. I can't remember ever enjoying a creative collaboration more. Big thanks to Chris!
2010 Stl Bl Met, Loaded, non PP, LMS 4+X, K&N drop in, 170 T-stat, 3 bar MAP, SP534