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Old 11-08-2008, 04:54 PM   #1
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Join Date: Aug 2007
Location: FL
Posts: 51
Exhaust Setup Questions

Hello, I have a 1998 Porsche Boxster with a 2.5i engine. Currently I have the stock muffler setup with the two cats in the mid-pipe section. It has the two 02 sensors before and after both cats. I am going to buy these headers
Headers
And I have a Fabspeed cat back system which includes the midpipe and muffler. The Fabspeed system removes the only 2 catalytic converters the car has and the system doesn't have any 02 sensor bungs. The headers have 02 sensor bungs. So the question is what should I do with the 02 sensors? Do I unplug all 4 of them or do I route the two pre-cat sensors into the headers and leave the 2 post-cat sensors unplugged? How do you think this would affect the mixture, and what are some of the affects or running the car without catalytic converters, I am expecting it to be loud and get a CEL but are there any harmful affects? Thanks so much for any help!!!
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