trade codes?

I am looking for someone with a Horizon 392 code for Forza 4, who wants the Rockstar Mustang code for Horizon.
I will give you my Rockstar Mustang code once I confirm the Horizon 392 code works.
I do believe the Horizon 392 code is no longer working. But you can get the livery online and someone can tune a regular Challenger SRT8 for ya.