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Old 05-07-2012, 05:38 PM   #5
DFW02S
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Join Date: Nov 2010
Location: DFW
Posts: 381
I just replaced 3 O2 sensors that are supposed to be exactly the same as the Porsche parts.
Price diff, $ 80 less per sensor.

I went with the aftermarket product.
YMMV
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