Failed MD inspection because of no cat
Post Fiend
Joined: Dec 2008
Posts: 7,649
Likes: 2
From: Wallingford, CT
I believe some early 99s came with cats and I know the manual transmission trucks came with cats 99.5 and up auto shouldn't have a cat unless it's a California truck. I believe the valve covers will also say whether or not you're factory equipped with a cat.
Cargo Master
Joined: Jan 2001
Posts: 2,726
Likes: 5
From: Slatington, PA
Probably both. A cat and muffler are both restrictive. Mine didn't come with a cat, but removing the muffler gained me 2-3lbs of boost and quicker spool. The mileage may have gone up, but it was around the LSD to ULSD switch so its hard to tell.
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Cargo Master
Joined: Jan 2001
Posts: 2,726
Likes: 5
From: Slatington, PA
Posting Guru
Joined: Feb 2010
Posts: 1,411
Likes: 1
From: Opelika, AL
[quote=rednekrebel28;8627584]Cool, that's a good idea. I'ma have to tell him that and see what he gets. Damn, i might even go get one for my truck. 
sorry i didnt get home till late last night....I'll try to get the pic today tho
not sure right off hand what it says I'll try to get a pic of it this afternoon. and im not sure if trucks not originally equiped with CAT's have a sticker that says that? if not I'll pull mine off. what about gutting the CAT and reinstalling it?[/quote
As for the sticker, I'm still wondering what they would say, so pictures are appreciated
The truck does not have a cat on it at all right now. It has an aftermarket 4" system. So I can't gut it and reinstall in for him. But i could and might try the junk yard for one if we have to.
As for the sticker, I'm still wondering what they would say, so pictures are appreciated
The truck does not have a cat on it at all right now. It has an aftermarket 4" system. So I can't gut it and reinstall in for him. But i could and might try the junk yard for one if we have to.sorry i didnt get home till late last night....I'll try to get the pic today tho
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