Thread: P0420
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Old 09-02-2006, 01:54 PM   #9
jabartram
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Quote:
Originally Posted by Wildman View Post
Nothing is under warranty, it's a 99 with 93,000 miles. Besides, I've got headers in front of the cat, and borla behind it. Looks like I'll be searching for a very short cat. Is high flow really better? or Should I just stick to a regular cat so as to not have any O2 sensor issues.

if you have headers and highflow cat you will have bank 2 o2 problems.
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