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Used exhaust

Hey guys, this weekend i am purchasing a used exhaust from a friend of mine. I was wanting to ask do exhausts ever go bad? like for mileage wise? It

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Old 01-01-2015, 10:51 PM   #1 (permalink)
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Default Used exhaust

Hey guys, this weekend i am purchasing a used exhaust from a friend of mine. I was wanting to ask do exhausts ever go bad? like for mileage wise? It has normal wear and tear like scratches so I'm not worried about that. It's a fast intentions.
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Old 01-01-2015, 11:01 PM   #2 (permalink)
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Yes they can go bad.
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Old 01-01-2015, 11:03 PM   #3 (permalink)
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How do i know when it is bad or needs to be replaced. This one has about 20k miles on it.
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Old 01-01-2015, 11:34 PM   #4 (permalink)
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It will just sound bad, rasp and such. The "fiber glass" in the muffler cans will break down and blow out eventually.
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Old 01-01-2015, 11:35 PM   #5 (permalink)
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Repairable?


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Old 01-01-2015, 11:45 PM   #6 (permalink)
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Yes and no. Cut the can open and repack then reweld it shut.
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Old 01-02-2015, 10:46 AM   #7 (permalink)
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Quote:
Originally Posted by rajmangal7 View Post
Hey guys, this weekend i am purchasing a used exhaust from a friend of mine. I was wanting to ask do exhausts ever go bad? like for mileage wise? It has normal wear and tear like scratches so I'm not worried about that. It's a fast intentions.
Look for a warped flange, holes in the piping(you can usually spot them by carbon traces that surround the hole), dings in the piping and cracks at the welds. The exhaust itself can never really go bad as it's just a pipe with sound deadening material in the muffler. It's usually cracks in the welds and dings that I look for. Other than that, you're good to go. And ask if there were any fitment issues when he had it installed, just because its the same car doesn't mean it will fit exactly and it might have been slightly changed to fit and you may have to change it back to fit yours but I doubt it.
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Old 01-02-2015, 11:56 AM   #8 (permalink)
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flanges can be replaced... but as ^ mentioned check the welds and for cracks.

if you were on the coast i'd be more hesitant as the constant exposure to salts will cause rusting regardless of the care.

i'd ask to inspect once it's uninstalled prior to purchase.

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Old 01-02-2015, 02:58 PM   #9 (permalink)
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Thank you mishuko


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