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Registered User
Join Date: Apr 2002
Location: Houston (Clearlake), TX
Posts: 9,125
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It still probably transfers heat better with the thin layer of black paint.
Instead of spending time on the stock intercooler, why not spend your free time scouring the internet for a used aftermarket direct replacement.
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2014 Cayman S
2011 Cayenne Turbo
1979 930 (475 rwhp at 0.95 bar)
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