Installed a Kooks Cat-back this weekend on the 5.0 Very pleased with the quality, and love the sound.
[nomedia="http://www.youtube.com/watch?v=GiwMMEUWNUg"]YouTube- 2011 Mustang GT 5.0 Kooks cat-back exhaust[/nomedia]
[nomedia="http://www.youtube.com/watch?v=GiwMMEUWNUg"]YouTube- 2011 Mustang GT 5.0 Kooks cat-back exhaust[/nomedia]