2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

cat onverter

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Old Feb 24, 2009 | 08:42 PM
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91 rx7's Avatar
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speed maniac
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cat onverter

guys this may sound wierd but anyway.
the cat on my fc is done and i don't have the time to change it cause i stay in school until 7:30 and i am wondering if i left the cat as is would that hurt any other things in the car like transmition cause the cat is right next to it. it's really bad the carbon monoxide comes from that cat with high tempreture, it's just like i have a third exuhst pipe except that it's in the middle of the car.

hit me.
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Old Feb 24, 2009 | 09:11 PM
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Trying to find a meaning in that jumble of words you haphazardly put together made my head hurt.

Since you didn't put much effort in asking a question, I'm not going to give much in answering it.
If something on your car is broken, it's usually a good idea to fix it.
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Old Feb 24, 2009 | 10:26 PM
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From: Tekisasu
Originally Posted by 91 rx7
it's just like i have a third exuhst pipe except that it's in the middle of the car.
no?

you should probably get a new cat or a replacement pipe.

i assume your cat is done means its rusted through?
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Old Feb 25, 2009 | 10:12 AM
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Originally Posted by duo2999
no?

you should probably get a new cat or a replacement pipe.

i assume your cat is done means its rusted through?
the cat is cracked and when ever i take my foot of the gas pedal the cat make a rattling sound or something like that.

would that hurt the engine? and i heard that if the cat is broken i have to change all three cats not just one is that true?
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Old Feb 25, 2009 | 10:33 AM
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Take it to an exhaust shop and have them fix it if you don't have time....
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Old Feb 25, 2009 | 05:09 PM
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i'll do it on the spring break but i hope that the car won't break up until then
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Old Feb 25, 2009 | 06:08 PM
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From: Tekisasu
oooh so its just a big exhaust leak.

just swap out the cat that toasted and you'll be good to go.

any loss in power that you can feel?
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Old Feb 26, 2009 | 10:53 PM
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Originally Posted by duo2999
oooh so its just a big exhaust leak.

just swap out the cat that toasted and you'll be good to go.

any loss in power that you can feel?
ya some kinda of little but there is a great amount of heat comes out of the shifter and the place where the E-brake is placed at. and sometimes like 2% the car doesn't start when i trun the switch it just makes a click sound.
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Old Mar 2, 2009 | 10:20 AM
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speed maniac
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which is better

i am about to replace the rear cat in my car and i am wondering if any of you knows which is better for high preformance.

1- magna flow. (more known)
or
2- david co. (more expinsive)
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Old Mar 2, 2009 | 10:26 AM
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Magnaflow

btw I'd get new exhaust gaskets if you dislike exhaust leaks.

Which reminds me I have a gigantic leak, lucky my car isnt running rough/rich hehe
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Old Mar 2, 2009 | 10:39 AM
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Originally Posted by cmanns
Magnaflow

btw I'd get new exhaust gaskets if you dislike exhaust leaks.

Which reminds me I have a gigantic leak, lucky my car isnt running rough/rich hehe
you mean for the manifold?
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Old Mar 2, 2009 | 11:11 AM
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uh theres gaskets for all parts of the exhaust where two pieces bolt together....
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Old Mar 2, 2009 | 09:02 PM
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Get two flanges from Mazdatrix and get them welded at a shop to some 2.5" pipe and just delete all the damn cats
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