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What is backdated heat?
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James Brown
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Join Date: Apr 2007
Location: Bellingham, WA
Posts: 5,479
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2008 Porsche Cayenne Turbo
here is a before picture (of a SC) exhaust system
and this is the updated (backdated) system that will work for your 3.2. You can see why the backdate system is so desirable, but no catalytic converter so it can't pass smog
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08 Cayenne Turbo
10-26-2015, 01:27 AM
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