Those are V6/GT/Cobra C-Pillars. Skirts rather look like 35th anniversary, at least with that reflection--they don't seem to have the "wrinkle" in the center like the V6/GT/99-04 Cobra. :shrug:
Unless you're going to do it the real way, LEDs won't get your tails as bright as you need them to be. Just suffer with them being dim. I did with four different Mustangs. :nice: