Exhaust Help PLEASE

[racksteris]

http://www.stage3motorsports.com/20...w-Cat-Back-Exhaust-Black-Tip-Competition.html
2013 Mustang Shelby MagnaFlow Cat-Back Exhaust - Black Tip (Competition) GT500

http://www.americanmuscle.com/magnaflow-offroad-xpipe-2011gt.html
Magnaflow Off-Road Tru-X X-Pipe (11-14 GT)

http://www.americanmuscle.com/gt500-rear-valance-2013.html
Shelby GT500 Rear Valance

This is what I plan on getting, Just want to make sure the Cat-Back-Exhaust(that's for a GT500) will fit on my 13' GT. I'm not sure is the pipe's are the same as the GT one's.

Thank's