03 exhaust headers

[03silverbox]

what should i do with the post cat o2s after header install? thanks for any info

[Johnny Danger]

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]

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]

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 .