There’s so much going on at SEMA it’s all-too easy to miss a few things. And while there are a ton of Mustangs, one would think that this Shelby prototype would have caught our attention – particularly since we were aware of its existence. Back in September we reported that on some potential future Shelby models, one of which was a 1,000 rwhp twin-turbo GT500.Nicknamed “Code Red,” this particular