Quote:
Originally Posted by Baltothewolf
I gutted the #2 cat on my insight for the same reason. My number 2 o2 sensor was throwing codes. I took a spark plug anti-fouler and installed the o2 sensor into that, the installed it into the cat and presto! No more codes.
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Luckily the Civic VX doesnt have a second O2 sensor, only a primary before the cat so I would never get a code for cat performance. I can feel a significant difference between before gutting it and after. The MPG difference is nice as well
