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Old 04-23-2001, 08:36 PM   #4
Scooby Newbie
Member#: 5385
Join Date: Apr 2001
Location: Rapid City, SD
2012 WRX Base
Ice Silver


The only reason the pipe would "rot" would be rusting through. That usually requires moisture. Exhaust tends to get kind of warm and generally evaporates most of the moisture on it. True the wrap will tend to hold the moisture more than without the wrap, but I have wrapped exhaust in the past without any excessive rust problems.
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