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gutting the cat. converter?

 
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Old 26 Feb 2014, 01:42 pm
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Default gutting the cat. converter?

i use to have an 06 eclipce gt v6 and it was poss. to gut the cats and install foulers.
is it poss. to do that on my 01 pt LE?
the reason i ask is that i am getting code p0420 every day or so and dont have the money to change out the cat.
i was going to do the o2 when i get the money.
i truly think the cat is clogged as this thing doesn't go till around 3k and im getting a best mpg of 20.
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Old 26 Feb 2014, 01:48 pm
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Default Re: gutting the cat. converter?

Your profile says Florida so there's no inspection of any kind including emissions. I just had my 3 cats on Corvette removed and a straight pipes put in their place. So, you can do anything you want if you think it will clear that fault code. After saying that, I've always read that the N/A cruiser needs back pressure to run efficiently so keep the muffler at the end of your tail pipe.
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Old 26 Feb 2014, 02:46 pm
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Default Re: gutting the cat. converter?

There may be no inspection but I think it may still be (at least technically) illegal.

Catalytic Converter Laws

In CO we have emmisions but no safety inspection..... so you can wipe out the family of 12 in a mini-van because you couldn't be bothered to check your brakes.... as long as you don't pollute while you're at it.
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Old 26 Feb 2014, 03:16 pm
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Default Re: gutting the cat. converter?

Quote:
Originally Posted by CREWZIN View Post
Your profile says Florida so there's no inspection of any kind including emissions. I just had my 3 cats on Corvette removed and a straight pipes put in their place. So, you can do anything you want if you think it will clear that fault code. After saying that, I've always read that the N/A cruiser needs back pressure to run efficiently so keep the muffler at the end of your tail pipe.
i planed on keeping everything else in just gut the cat.
has any one done this?
have u hear of anyone doing this?
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Old 26 Feb 2014, 03:26 pm
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Default Re: gutting the cat. converter?

i had a p0420 and i fixed the problem by removing the air filter and driving like a maniac at high rpm's on the highway. you might try this before you bother messing with rusty exhaust bolts.

i would think if the cat was plugged, it would choke the power up high where it needs more flow, not under 3k like you describe.

Last edited by rob342; 26 Feb 2014 at 03:32 pm.
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Old 26 Feb 2014, 04:16 pm
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Default Re: gutting the cat. converter?

at the muffler shop they will cut a hole in the frount of the cat to inspect it not sure what they are looking for but i have seen them do it to my car of course they weld the hole back up
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Old 26 Feb 2014, 04:33 pm
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Default Re: gutting the cat. converter?

Quote:
Originally Posted by zkdawg View Post
i planed on keeping everything else in just gut the cat.
has any one done this?
have u hear of anyone doing this?
I've gutted a catalytic converter. Just remove, get a hammer and very long punch or piece of rebar and use them to break up the material inside. It's about the consistency of a concrete cinder block and breaks up fairly easily. The main issue is to no punch a hole in the side of the catalytic converter while punching out the guts. And I've found it very hard not to punch a hole in the side of the cat.
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Old 26 Feb 2014, 04:34 pm
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Default Re: gutting the cat. converter?

Quote:
Originally Posted by cruserdad1976 View Post
at the muffler shop they will cut a hole in the frount of the cat to inspect it not sure what they are looking for but i have seen them do it to my car of course they weld the hole back up
they measure the pressure to see if it's excessive. here's a really bad video of it

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Old 26 Feb 2014, 05:00 pm
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Default Re: gutting the cat. converter?

Quote:
Originally Posted by Handy_Cruiser View Post
I've gutted a catalytic converter. Just remove, get a hammer and very long punch or piece of rebar and use them to break up the material inside. It's about the consistency of a concrete cinder block and breaks up fairly easily. The main issue is to no punch a hole in the side of the catalytic converter while punching out the guts. And I've found it very hard not to punch a hole in the side of the cat.
how is it working for u?
how many non-foulers did u have to use the keep the codes off?
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Old 26 Feb 2014, 05:02 pm
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Default Re: gutting the cat. converter?

Quote:
Originally Posted by rob342 View Post
they measure the pressure to see if it's excessive. here's a really bad video of it

i know how to test the cat but id rather just get rid of it all together.
saves problems down the road if the cat besides to go out then.
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