Ford F-150 cat converter question.?

One for the ford gurus out there. I have a cat gone bad on my 2000 5.4L V-8. I was shopping online and found options for left front and rear as well as right front and rear. My Q is, just how many cats does this beast actually have?!?

2009-03-14T18:46:42Z

Thanks Steeve. So I im guessing that if one is clogged, then it's gonna be the rear one. Confirm?

2009-03-17T06:31:12Z

I'll leave it up a little longer.

Steve S2009-03-14T10:31:57Z

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I have seen those rust out before-it will look like they have 4 cats,but the front ones are empty.The reason why i know this is i saw one that rusted all the way through the front one and it was empty.--yep yep the rear ones.