Why did the Talladega that Troy Trepanier made for George Poteet show up in this one shot, and not get driven in the movie?

http://bangshift.com/general-news/unhinged/unhinged-thoughts-after-watching-furious-7/

I know that it's ready for racing, it participated in the 2013 Optima Challenge

since neither of these photos shows you a good look at the car, here is a good sideview

As long as I'm on the topic, if you've seen the newest Fast and Furious, what is your favorite of the 3? Mine is 5. 

- by Be For