Thread: Cats
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Old 02-28-2014, 08:55 PM   #4
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Join Date: Oct 2008
Vehicle: 2008 GT
Location: CA
Posts: 1,571

At 172K miles, the cats probably are pretty used up, so I think his thoughts are that if he's going to replace them anyway, why not go to high flow...

have no suggestions other than find some weld-in ones and have an exhaust shop do it for you.

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