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Old 02-13-2014, 06:00 PM   #1
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Holes in the Exhaust

Was under the jeep today and noticed several holes in the large "oval" shaped box part of the exhaust. The whole exhaust is rusted out.... guess I'll be replacing it.

I'd like to do this for under $200, I guess I could hit a junk yard. Anyone have any ideas, or is able to recommend an aftermarket exhaust?

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Old 02-13-2014, 06:03 PM   #2
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What part of the exhaust is damaged? How far after the exhaust manifold? By the tranny? After the CAT before the muffler? After the muffler?

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Old 02-13-2014, 06:14 PM   #3
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by large oval,I am assuming he is talking about the muffler or the cat..Only thing about getting one from the junk yard is that it might not be much better than what you have now..I usually build my own exhaust but if I was going to buy one,I would probably go to a local muffler shop..I have no idea about buying one
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Old 02-13-2014, 07:08 PM   #4
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Haha. Sorry. I'm not very knowledgable... at all.

It would be the muffler.
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Old 02-13-2014, 07:29 PM   #5
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Cut if off n stick a Flow Master Super 40 series in there!!! The muffler is about 80-100. You'll need to rent a tool at Auto Zone, it's an exhaust pipe cutter. It's like 30 bucks but u et ur money back when u take it back. Buy a coupler from your exhaust pipe to the muffler and a short down pipe for the other side. It will drop before your axel if you do it right. And it'll sound mean! All I. You will probably spend under 150 dollars in the muffler, coupler, down pipe, and the little u-bolt fasteners. It should take about 2 hours all in all. There are a ton of videos on how to do it. Cut the muffler off on the side closest to the engine about 3inches away from the muffler towards the engine. Put the coupler there and then the muffler then the down pipe n tighten the crap out if it. When you save up some more money have it welded in place. It's money that will be well spent.
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Old 02-13-2014, 08:03 PM   #6
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Why put a couple on before the muffler get a 2.25 in and out muffler that will slide right over the stock pipe coming out of the cat
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Old 02-13-2014, 09:44 PM   #7
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If you dump the exhaust out under your car you will get exhaust gasses inside the car, plus it will make the body rust out. don't do it!
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Old 02-13-2014, 10:24 PM   #8
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Buy a tailpipe that is prebent should be about $50, a muffler of your choice ( a cherrybomb glasspack is $50 and will give good sound and flow), and some sections of straight pipe. Put a piece of pipe from cat to muffler, then a piece from muffler to tailpipe, and your done, $100-120 from a local autoparts store
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Old 02-13-2014, 10:32 PM   #9
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Sounds like all you need is a new muffler. You should be able to have a local muffler shop do that for under $100.

Mine was the same way. The seams rot out on the stock mufflers after a decade or so. I had a local muffler shop install a new stud in the mainfold, new pipe from the manifold back to a 30" glassy. I opted to reuse the original tail pipe as it is still in good shape. Charged me $60.
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Old 02-14-2014, 06:04 AM   #10
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You can buy all the parts in the exhaust system minus the cat at a parts store for under $200 and install it yourself.
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Old 02-15-2014, 07:07 AM   #11
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Got some quotes at a muffler shop, I'll keep looking online. Can I bypass/remove the cat?
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Old 02-15-2014, 07:24 AM   #12
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sorry but that's a no no subject on here because it is against federal law to remove any emissions
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Old 02-15-2014, 07:04 PM   #13
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Really? Not to push the issue-I'm honestly not smart on this subject--but I thought it varied state by state. What exactly does the cat do? And why has it been said that it helps to remove it?




Edit: No rude tone inferred there. I'm not trying to push the issue. Just trying to understand how the engine works. This jeep is my trip to the mechanical world. Also I'm in the service, and though I don't live in an emissions-concerned state, I don't want to cause more work for myself down the road when I move. Thanks.
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Old 02-15-2014, 07:24 PM   #14
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some states enforce it and some may not but it is a Federal law..basically the cat is supposed to help burn fuel that the engine did not..with age a cat can get clogged and reduce exhaust flow,which will reduce power...Then it is time to replace it
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Old 02-15-2014, 08:09 PM   #15
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Got it, thanks.

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