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Originally Posted by Stroked & Blown

There are a couple hacks that I've seen to avoid the CEL on other vehicles.
The first one involves modifying a spark plug non-fouler to limit the amount of exhaust reaching the sensor:
http://www.energeticforum.com/renewable-energy/1387-o2-sensor-modification-using-spark-plug-non-foulers.html

http://forums.evolutionm.net/showthread.php?t=215795

Do the O2 sensors on the Box use standard threads? I assume they are std Bosch units.

The other option is to use an O2 simulator, but it looks like there aren't any available for Porsche yet: http://www.o2simulator.com/

Surely you are joking right??
Never mind the CEL... If the primary O2 sensors are not in and working a Porsche will run like dog doo. Kinda defeats the purpose of adding headers don't you think?