gutting cats passing inspection obdII
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gutting cats passing inspection obdII
hello everyone. quick question. if i gut my cats will i fail an obdii test?? i live in MA. and the guy i go to just plugs it in and if it passes, it passes.
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I assume you mean you want to gut the stock cats. Chances are you will break a few of the studs that fasten the cats to the stock exhaust manifolds when you try to remove them. In my opinion the only reason to touch those studs/bolts is to take all the stock exhaust off and replace with a good set of headers and cat back.