Thread: Catless wonder?
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Old 11-12-2019, 09:09 PM   #20
Pathological Tinkerer
Join Date: Mar 2017
Location: Utah
Posts: 169
Catless wonder?

Originally Posted by maytag View Post
Here's my question: the headers have a bung for an o2 sensor near the collector. Because it's easier to swap mid- pipes than it is the header, is it possible that I could put the first o2 sensor in the header, and then the 2nd sensor after the cat in the mid-pipe?

Do any of y'all have any experience this way?

Dan, this is exactly how I run my car. I lengthened my sensor wires in my harness with twisted pair wire (didnít mess with the actual sensor wires) and have never had a CEL for it. Passed emissions three times now.

Last edited by P_Carfahrer; 11-12-2019 at 09:12 PM.
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