Not to be an a hole, but you won't find anyone selling a used GT500 OEM spoiler off their car. You can either get a knockoff as suggested pre-painted (from AM for example) or get an OEM spoiler (with removable gurney flap) from LMR. Happy hunting.
2011 Black Mustang GT Premium
Corsa XO & Sport AB/Airaid/Bama 93R
Best 1/4 mile to date 60' 2.009
12.538 ET @112.33
100+ Deg 85 Hum RPR 3PM 1/2 tank street tires