Question about 1987 Ford Bronco

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87 ford bronco

Ok first off this is regarding the exhaust.....when i bought the truck it didn't have a muffler on it only two cats and a pipe so i cut the pipe removed one of the cats cause it just seemed logical that the second cat was there because there was no muffler and it fit perfect so my question is do i need two cats to pass emmitions? or just the one cat muffler and pipe?

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Yes you will need both cats to pass depending on where you are. i have had 3 broncos and im drivng one now and cut one off and have the muffler and one cat and it passed. as long as your not in california i think you will be fine with just one

Posted on Nov 08, 2008

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