This thread is approaching two years old. I'm guessing the OP has made his decision by now.
Yeah, I did. I eventually changed my whole front end to the 2013 Boss bumper, grille but maintained the original lights which is unique and replaced the Blanks in the grille with the LED's from the GT.
Rory S. Brown from Surrey, BC Canada
2019 Mustang Bullitt, 2014 Mustang MCA Edition in Grabber Blue. Previously: 2016 Shelby GT350 in Race Red, 2015 Mustang V6 Competition Orange, 2012 Mustang V6 Premium ProCharged in Black, 2011 Mustang V6 Premium in Red Candy Metallic, and 1979 Mustang Cobra in Bright Red (My 1st New Car)