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Noisy Aactuators on Exhaust Flaps
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08-21-2012, 10:21 PM
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RoketRdr
Drives: 2010 Duramax; 2012 CTS-V Coupe
Join Date: Apr 2012
Location: Houston, Tx
Posts: 387
What you're hearing is the flappers vibrating in the exhaust tips. The Vette's do it as well. A light spring can cure this issue.
RoketRdr
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