Thread: Rear rattle
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Old 08-05-2011, 07:49 AM   #2
Jagerday
 
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Drives: 2010 RJT SS/RS LS3
Join Date: Jul 2011
Location: Grenada, MS
Posts: 281
If your exhaust was factory I would say you have a loose baffle somewhere between the cat and the muffler. But because you have after market cat back I would think it is probably a firewall hitting your exhaust somewhere. This seems to be a common issue.
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