link to Rockstar's article
Customs Factory got me involved with WCC and I was hired to do the task of taking the GTA game data and marrying that to a 2008 Dodge Viper chassis. We also had scan data of the Viper and decided to keep the greenhhouse of the Viper as it was pretty close to the Banshee and much easier than producing all new glass and structure. I did a few CAD renders earlier on in red as well.
...and here's the real deal.