I have the following off a 2011 Mustang GT Premium with 20K Miles on them. Shipped to your door at your expense, or Houston and surrounding area pick up. Car is and has been well maintain, so should be to your liking. Ready to bolt on.
Stock Manifold - $125
Manifold Cover - $40
Let me know.
I also have other parts. Please see my various threads! Photos available in my dropbox folder: