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Old 07-21-2019, 07:41 AM
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Hole in Muffler/Exhaust 97 TJ

It is loud so I was wondering how quickly I need to get it fixed. The last time one was put on the tailpipe melted my bumper smh...

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Old 07-21-2019, 12:49 PM   #2
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Sounds like you pretty much know the answer

Depends on where and how big the leak is....

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Old 07-21-2019, 01:56 PM   #3
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If it aint broke don't fix it, If it has a hole in it ITS BROKE.
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Old 07-21-2019, 03:40 PM   #4
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Old 07-21-2019, 10:24 PM   #5
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Old 07-22-2019, 10:19 AM   #6
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yep, mine is coming apart at the seam where the main shell/wrapper comes together. It's a little bit noisy but not too bad yet, so I've been living with it for a year or so. Probably just gonna replace the whole exhaust next year.

There's no mechanical risk to the vehicle by driving with a muffler leak, but if you spend a lot of time driving slowly or running while parked you could be getting exhaust and carbon monoxide build-up inside the cab. Obviously not a problem with the top off.
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Old 07-22-2019, 10:25 AM   #7
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I was curious how long these mufflers would last, mine97 TJ is just starting to make a little more noise to
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Old 07-22-2019, 10:56 AM   #8
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My factory muffler did not look bad from under the Jeep. I had to replace the catalytic converters and really wanted to just get all new to make the job easier. I am glad I got the whole thing from front to back! The muffler that looked decent from the bottom had begun to rust though the top side. I upgraded to all stainless with Flow Master cats and MBRP stainless muffler/exhaust.

Love the sound. No drone to it at all.


The original muffler appears to have been there since new. I am running a 2005 Rubicon that just turned 200k miles lat week. The new stainless should last a lot longer than the stock muffler and probably the last one this TJ will need.
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Old 07-22-2019, 11:22 AM
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Thanks for all the input. My jeep stays st the beach...in a garage but still at beach thus the concern
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Old 07-22-2019, 03:12 PM   #10
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Quote:
Originally Posted by freedom_in_4low View Post
.....There's no mechanical risk to the vehicle by driving with a muffler leak.....
That's not necessarily true.

I once had an exhaust leak that got my skid plate hot enough to melt my gas tank.... all that happened to me was my gas got dumped on the ground and I had to replace the tank but the worst case scenario would have been burning the vehicle to the ground and maybe even killing someone.
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Currently in the stable: .....97 tj 2.5 5 speed stock... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 07-22-2019, 03:28 PM   #11
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I echo everyone else, get it fixed. Mufflers are cheap and getting a new tail pipe (if needed) wouldnt be much more at a local exhaust shop.



My 97 muffler/cat failed at 75k, lots of rattling from the internals within the cat and the muffler had a crack on the outer shell.
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Old 07-22-2019, 04:07 PM   #12
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Quote:
Originally Posted by Gottagofast View Post
That's not necessarily true.

I once had an exhaust leak that got my skid plate hot enough to melt my gas tank.... all that happened to me was my gas got dumped on the ground and I had to replace the tank but the worst case scenario would have been burning the vehicle to the ground and maybe even killing someone.
fair enough. Wouldn't have expected that but the proof is in the pudding.
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