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Symptoms of a clogged exhaust.

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Old 02-23-2013, 05:01 PM
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Default Symptoms of a clogged exhaust.

Hey everyone. So a few weeks ago i started getting a rough idle and also noticed a rattle coming from my exhaust. Had it up on the lift at work and the PO has installed a custom exhaust. I can tap what I though was just a resonator but now i'm thinking he installed a cat in the mid pipe. Sorry, i'm new to honda's. Ask me about Subaru cats and it's all good.

On a side note. are the hatch/sedan/coupe stock exhausts all the same? 92-95?
Old 02-23-2013, 05:07 PM
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Default Re: Symptoms of a clogged exhaust.

The symptom of a clogged cat is loss of power. That's not a good fit with your problems.
Old 02-23-2013, 05:07 PM
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Default Re: Symptoms of a clogged exhaust.

Can you post a picture. Could be running just a resonator and muffler and no cat.
Old 02-23-2013, 05:12 PM
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Default Re: Symptoms of a clogged exhaust.

Originally Posted by RonJ@HT
The symptom of a clogged cat is loss of power. That's not a good fit with your problems.
Well i do get a little stumble below 3k. i figured that might be old plugs and old cap/rotor changed all that.. didn't help. my mpg also dropped from 38 to 32 over my last tank. Thinking about just picking up a stock exhaust and see if that helps.
Old 02-23-2013, 05:14 PM
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Default Re: Symptoms of a clogged exhaust.

Originally Posted by gzes
Can you post a picture. Could be running just a resonator and muffler and no cat.
Yeah, i'll snap some pics when i get it up on the lift again. it's about 18" long. not sure what a stock civic cat looks like.
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