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Old 12-31-2016, 07:59 AM   #3

DrkPhx's Avatar
Drives: 2013 Triple Black ZL1 / 2006 TB SS
Join Date: Feb 2011
Location: MN
Posts: 2,241
^^^ Lol. Mine didn't do it until I was heavily modded. It sometimes has the NPP rattle on cold start up if the flaps are closed (I have an ADM exhaust controller).
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