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Rear 02?That important?

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Old 02-26-2008, 10:51 PM
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Default Rear 02?That important?
Im going to be reinstalling my long tube headers and was wondering if rear 02 sensor extensions,simulators,or tune delete is even that important?ive ran my car without them before....
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Old 02-26-2008, 11:36 PM
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rear o2's are just for emissions only, they tell the computer to turn on the check engine light when the cats arnt working to their fullest extent------------ not important~!!
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Old 02-27-2008, 01:53 AM
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Just the front ones are important, for the operation of the vehicle anyway. Emissions wise yes they are important.
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Old 02-27-2008, 04:22 PM
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cool, thats what i was thinking, thanks guys
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