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Old 06-01-2012, 05:29 PM   #8
Scooby Specialist
Member#: 277479
Join Date: Mar 2011
Chapter/Region: SCIC
Location: San Diego
2011 WRX


Don't deaden whole panels, it is very much overkill. Many people layer deadener to act as a sound barrier, which is not it's purpose whatsoever. Whole outer door panels are more resonant but the 25% rule still would apply. I would start with that rule and then do the knock test and see how much the panels resonate.
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Zachfeen is offline   Reply With Quote