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The Terminator
Exhaust
Clogged cats- How to know?
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<blockquote data-quote="NC Cobra" data-source="post: 145825" data-attributes="member: 4535"><p>I looked at the color of my cats this morning before driving to work. They were pretty much an orange/red color when cold. After the drive they had a very deep bluish/purple color, especially around the bottom rear of the cat. Almost exactly the kind of color you see on a motorcycle exhaust header right at the point where the exhaust bolts on to the head. I know the cats are always going to be hot so maybe this heat discoloration is typical. If the cats were damaged would this not show up on an emissions test i.e. the exhaust gases should be way off? I readily admit to not knowing much on this subject so any help/comments are appreciated.</p><p></p><p>Paranoid in Carolina.</p></blockquote><p></p>
[QUOTE="NC Cobra, post: 145825, member: 4535"] I looked at the color of my cats this morning before driving to work. They were pretty much an orange/red color when cold. After the drive they had a very deep bluish/purple color, especially around the bottom rear of the cat. Almost exactly the kind of color you see on a motorcycle exhaust header right at the point where the exhaust bolts on to the head. I know the cats are always going to be hot so maybe this heat discoloration is typical. If the cats were damaged would this not show up on an emissions test i.e. the exhaust gases should be way off? I readily admit to not knowing much on this subject so any help/comments are appreciated. Paranoid in Carolina. [/QUOTE]
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Clogged cats- How to know?
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