Considering the replacement cost of your new 5.0 coyote, I would stay stock, at least for the warranty period... You're going to be pretty upset if something happens to your new engine, and hear " Sir, your warranty is void due to an after market tune".... wait it out, then re decide at a later date.
On the other hand, you can throw caution in the wind and hope for the best!
2011 GTCS Candy Red;Premium leather interior package, Remote start, security package, upgraded speakers, 6MT 3:55. 35% tint all around, Borla "S" axle backs, & clear corners.
The rest is all FORD