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Randy
Dodge Dakota
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9/22/2004
10:04:12

Subject: Best way to gut cat- on vehicle?
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2001 V6. I want to gut the third cat (the one after the y pipe). What do you guys think is the best way to go about this that equals the least amount of work for someone doing this in their driveway who can't weld?
The best way I've come up with is to cut the pipe behind it about 1.5" back from the cat and jab at it's insides with a crowbar until I've gotten all the material out, but do you think this will leave some material in "hard to reach places" inside the cat, that will eventually fall out and clog my muffler?
Please don't lecture me as far as how illegal this is, the cat either needs to be replaced or removed, and for my purposes the cat is useless anyway.



or another
Dodge Dakota
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9/22/2004
10:12:19

RE: Best way to gut cat- on vehicle?
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Sounds good. Run the truck after you poke around and rev it up a bit, should blow most of the material out.
Another way I've heard of, I saw it on this site, I think: Take a piece of redi-rod, small enough diameter to slip a short section of bycicle drive chain through and clamp it to the redi-rod with a nut on either side. Put the redi-rod in a drill and have at it. The swing of the chain should get into the hard to reach spots.
Good luck with your project. Ignore all of the negative feedback that I'm sure will follow.




99bludak
Dodge Dakota
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9/22/2004
10:48:51

RE: Best way to gut cat- on vehicle?
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Don't worry about all the folks who will get on your case about the environmental issues that will arise. Who cares...

The Earth has been through much worse than humans and it is still here, and will be here long after we are gone.



?
Dodge Dakota
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9/22/2004
11:29:16

RE: Best way to gut cat- on vehicle?
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Only problem is You are going to get a CODE
in the computer = cat not performing..
This may screw up mixture settings affecting
mileage and performance ! ????



kevin
Dodge Dakota
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9/22/2004
12:00:14

RE: Best way to gut cat- on vehicle?
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And it will probably cause your freeze plugs to corrode out.



Randy
Dodge Dakota
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9/22/2004
12:25:00

RE: Best way to gut cat- on vehicle?
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oh I'm not worried about that, I just didn't want the thread to get off topic. I originally wanted to put a glass pack in it's place but it seems that too will require welding, because there's a breacket about 1" upstream of the cat that would not allow me to use a clamp. My other concern with putting a glasspack there is that the packing may burn and also that it would retain too much moisture since it's the lowest point after the cats on the y-pipe.




Randy
Dodge Dakota
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9/22/2004
12:27:24

RE: Best way to gut cat- on vehicle?
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wow you guys are fast I didn't catch the last two posts. Why would I get a code? there's no sensor anywhere near that third cat. And please enlighten me on how this effects my freeze plugs. I'm honestly asking for answers, not trying to be a wiseguy. Thanks



99bludak
Dodge Dakota
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9/22/2004
13:25:14

RE: Best way to gut cat- on vehicle?
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It will not effect your freeze plugs...

That is a joke from another thread where some jerky said that moisture dripping on an exhaust manifold would make your freeze plugs corrode. Just ignore it.



Randy
Dodge Dakota
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9/22/2004
13:56:57

RE: Best way to gut cat- on vehicle?
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lol, I figured it was some kind of inside joke. So whats the deal with the computer somehow discovering that my cat is no more? I mean as long as I continue to use mufflers there should still be enough back pressure to keep the computer happy right?



Bob Lincoln
Dodge Dakota
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9/22/2004
14:13:30

RE: Best way to gut cat- on vehicle?
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"Please don't lecture me as far as how illegal this is, the cat either needs to be replaced or removed, and for my purposes the cat is useless anyway."

In other words, you don't BREATHE.

"Ignore all of the negative feedback that I'm sure will follow."

Yes, ignore it until you face the $2,500 fine. Good luck selling the vehicle some day, and you get nailed for it.

Just put a legal high-flow cat on instead. There is not one reason you can cite for gutting it that can't be matched with using a high-flow cat.



mostly
Dodge Dakota
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9/22/2004
17:12:24

RE: Best way to gut cat- on vehicle?
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mostly when I gut a cat on a vehicle I first make sure the kitty is dead, then I stretch it out on the tailgate, then I take out my 4 inch skinnin knife!!!!!!!



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