Alright here is a video of the car from Mustang Week. Gives an idea of the exhaust combo, sounds alright in the upper RPMs. Sorry the quality isn't the best, it is shot with a camera that takes video.
http://videos.streetfire.net/video/a5010e4a-7d3c-47d9-a613-9981014f33ad.htm
http://videos.streetfire.net/video/a5010e4a-7d3c-47d9-a613-9981014f33ad.htm