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Discussion Starter #1
I need help. I have a horrible rattle under the car and it came out of nowhere...it almost sounds like something is inside the pipes. I just had a catback installed (a few weeks ago) and i thought it may have been some of the bolts coming loose, but everything looks ok. I posted a video. Does anyone have any idea what this could be? Any help would be greatly appreciated.

The link is
 

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Does it seem to be the loudest around the converters? Wondering if the ceramic inside the converter is rattling around.
 
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