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It does seem to be the Hot Wheels fascia. One big difference I'm seeing is that the Mustang in my picture seems to have fascia with larger than average turn signals. All the hot wheels front fascias I've seen online seem to cover up the signals completely.
It looks to me like they cut a hole in the hot wheels bumper the size of the original turn signals. Our turn signals are actually that big when you remove them, the stock bumper covers up a lot of it.