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Old 02-21-2015, 04:30 PM   #1
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Long tube headers

I think I understand most of the installation instructions, but on my stock exhaust the rear o2 sensors go into the catalytic converters. I am putting high flow cats in with the headers, but there is nowhere to install o2 sensors on the cats.

There are 2 bungs on the headers to install the sensors, but shouldnt the sensors be installed AFTER the high flow cats?

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Old 02-21-2015, 04:36 PM   #2
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Heres the headers

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Old 02-21-2015, 06:03 PM   #3
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Yes two before two after.

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Old 02-21-2015, 06:37 PM   #4
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Quote:
Originally Posted by natestang07 View Post
Yes two before two after.

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If you look at the headers, driver side has two bungs for o2 sensors and the passenger has one

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Old 02-22-2015, 01:05 AM   #5
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I imagine you could install the two forward o2s cap the other and turn the rears off. All they do is tell you if the cats are working properly, the rear ones that is,

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Old 02-22-2015, 02:17 AM   #6
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Thats what I would do as a matter of fact thats exactly what I did I pluged the two front ones and deleted the back ones. What ever you do dont run your car with out having your two front ones pluged in.

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Old 03-15-2015, 02:10 PM   #7
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Did you get a engine light after doing this?
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Old 03-15-2015, 03:37 PM   #8
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Did you get a engine light after doing this?
You have to turn the rear ones off with a tune

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Old 03-15-2015, 03:39 PM   #9
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Originally Posted by 509pony View Post
Thats what I would do as a matter of fact thats exactly what I did I pluged the two front ones and deleted the back ones. What ever you do dont run your car with out having your two front ones pluged in.

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No. But i already had a tune on for intake and cat back. Ordered a new tune the next day to include the headers and had them delete the rear o2 sensors

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