Yep have to have a cat too. I tried to sneak it by without a cat one time and instant fail. I'm sure it would pass with a gutted cat. I have an EGR delete and it passes.
They pass yours with the egr delete? That is good to know since mine was deleted when I bought it.
Op: what kind of muffler delete do you plan to do? I was just thinkin of puttin in some flex pipe.
They only look to see if the cat is there. So a gutted cat is fine. I'm doin a straight pipe on mine soon and will just clamp a muffler delete in and put on the muffler once a year.
I'll have to call and see how much just for the muffler since I already got the cat delete
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