Mr. Norm to the rescue.
http://www.seriouswheels.com/cars/2009/top-2009-Mr-Norms-426-Hemi-Cuda-Convertible.htm
Notice that they install new quarter panels to get rid of the Challenger belt line. Open your wallet r-e-a-l w-i-d-e. They ain't cheap.
http://www.mrnormsgarage.com/newcars/legends/
Wylde1.