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03silverbox 06-10-2011 01:49 PM
03 exhaust headers
 
what should i do with the post cat o2s after header install? thanks for any info

Johnny Danger 06-10-2011 05:29 PM
Quote:
Originally Posted by 03silverbox
what should i do with the post cat o2s after header install? thanks for any info
Are you referring to the pre-cats, or the secondary cats ?

03silverbox 06-11-2011 04:44 AM
03 exhaust headers
 
Quote:
Originally Posted by Johnny Danger
Are you referring to the pre-cats, or the secondary cats ?
the headers delete the primary cats,by instaling the primary o2son the headers should i extend the secondary o2s past the secondary cats thanks jd

Johnny Danger 06-11-2011 08:15 AM
Quote:
Originally Posted by 03silverbox
the headers delete the primary cats,by instaling the primary o2son the headers should i extend the secondary o2s past the secondary cats thanks jd

If you're deleting the pre-cats you'll have to extend the 02 sensors to the secondary cats .
However, from a performance perspective, you'll discover that there's little to no gain in performance by reconfiguring your exhaust this way .


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