why would you put an 03 Cobra drive train in it ?

its a GT500E the car your referring too.. comes in several forms.. the hottest is the Super Snake.. about 750 HP.

http://www.sandersonsales.com/images...erformance.htm
thats the performance model.

this is the Super Snake
http://www.sandersonsales.com/images...supersnake.htm

$150K .. not too bad