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01-02-2009, 06:10 PM
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#2 |
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vroom vroom
Drives: lil red 5-door Join Date: Sep 2006
Location: Bangkok, Thailand
Posts: 7,744
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I would think the tailpipe sensor has some way to compensate for the catalytic effect? Not really knowledgeable enough to give you an exact answer on that, but it does get a reading based on the oxygen amount in the exhaust, and that *should* be unaffected by the cats...
But if you're installing your own sensor, definitely get it as close to the header collector as possible
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