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Old 07-02-2012, 10:05 PM   #1
Birm
 
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Bluing high flow cat?

While hookingup my 3" catback the other day I noticed my right highflow Cat had some blue rings forming closest to the headers.

Does this mean I am running to rich? Mods in sig, and my tuner told me he put me a tad rich to stay conservative but shouldn't it be even?

Should I be worried?
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Old 07-03-2012, 09:43 AM   #2
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TTT
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Old 07-03-2012, 10:13 AM   #3
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bluing usually means heat, so richer would be better since richer is cooler. If you have a infrared gun, you could give that a shot.
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Old 07-03-2012, 05:05 PM   #4
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unless you had them coated, it normal for the headers and cats to turn blue then a rusty flat brown color.
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Old 07-03-2012, 06:56 PM   #5
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Quote:
Originally Posted by Tampa Tuning View Post
unless you had them coated, it normal for the headers and cats to turn blue then a rusty flat brown color.
Even if only one is bluing? Also sir, when can I swing by?
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