YouTube - 2011 Mustang 5.0 Stainless Works Catback vs. Stock - This is the one I have, here is the link to their site.
I agree, it doesnt sound the same in those videos. Might be because of a poor camera sound or the auto "could" alter the sounds slightly
so which muffler does yours have? the cambered ones or the S tube(i think its called) and resonators? or full full sw system:beer: