Survey. Which year does not have an O2 sensor behind the cat??

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Sep 13, 2000 | 11:53 AM

1MAX2NV

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Let me know what year? Is it a cali-spec or Fed.spec? 5th Gen people too. Thanks guys. I'm going to do a test pipe and see what the gain will be. Between stock cat, RT cat and Straight pipe.

Sep 13, 2000 | 12:17 PM

Jeff K

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'95 cali-emission O2..>

is in the cat. I think that goes for the '96 also.

Sep 13, 2000 | 12:23 PM

1MAX2NV

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What year has the O2 on the B-pipe?

Probably 97-99 Fed spec. Can anyone confirm this?

Sep 13, 2000 | 12:27 PM

Keven97SE

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97-99 Federal Maximas actually have the last O2 sensor in a short ~9" long extension pipe between the cat and b-pipe...but yeah, it's located after the main cat.

Sep 13, 2000 | 12:45 PM

1MAX2NV

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I guess the test pipe will only work with people that have ->

1999 Cali-spec and all 5th gen. Anyone with a Fed. spec 5th that can tell me if you have a O2 sensor behind the cat or on the cat?

Quote:

Originally posted by Keven97SE
97-99 Federal Maximas actually have the last O2 sensor in a short ~9" long extension pipe between the cat and b-pipe...but yeah, it's located after the main cat.