Exhaust Rattle

[Dan12GT]

I've been having some rattling issues with my Borla S-Type catback. I believe it is coming from the muffler internally. I managed to get a video. You can hear it on the deceleration the most. I believe the issue is internal to the muffler because it happens more often on the deceleration. I also hear it when cruising around 70 mph and the engine is under load.

Let me know what you think. I am about to take it to the next step and remove the muffler and see if the issue goes away, but its a pain aligning it all again.

http://www.youtube.com/watch?v=md2EV...ature=youtu.be