heres quick vids of my 5.0 with just a magnaflow competition catback on it. stock headers stock cats.
(dnt mind my big ass in the first vid)
[nomedia="http://www.youtube.com/watch?v=AfsFWfx0-8k"]YouTube - 2011 5.0 mustang magnaflow catback[/nomedia]
[nomedia="http://www.youtube.com/watch?v=RhTZByLm86U"]YouTube - 2011 mustang drive by magnaflow catback[/nomedia]
(dnt mind my big ass in the first vid)
[nomedia="http://www.youtube.com/watch?v=AfsFWfx0-8k"]YouTube - 2011 5.0 mustang magnaflow catback[/nomedia]
[nomedia="http://www.youtube.com/watch?v=RhTZByLm86U"]YouTube - 2011 mustang drive by magnaflow catback[/nomedia]