seeing the GT350R at Mustang Week, and a S550 GT across from it, the lines from the bumper to the fender are completely different, so no way you could just do a bumper swap. And like stated above, the whole front clip (fenders, bumper, hood) is completely different
Love the look of the white 50 years ones! Here's a question...would the stock knob from a 15 fit on a 12? Didn't know if it was the same threading or not