Direct fit Cat and Muffler sizes?

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Jul 5, 2005 | 07:46 PM
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On a 3.1 V6,what are the exact numbers I need on the in/out size of a cat and muffler?
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Jul 6, 2005 | 10:39 AM
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If they're direct fit, size doesn't matter.
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Tags 31, motor, muffler, sizes
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