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Old 09-14-2010, 05:31 PM   #1
KAT_Ayanami
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Default How to fix rusted exhaust pipe flange.

Hello,

Could anybody tell me what would be best to repair this rusted flange?

The pipe got loose and I will need to re-attach it. The problem is that the rust is so bad, that I almost have no flange to attach the pipe to anymore.



I do not know how to weld, so should I use a split flange? Or just change the cat pipe for a used one?

Thanks!
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Old 09-14-2010, 06:59 PM   #2
Henry H
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I am not going to even ask...but that thing is abnormally corroded. The old flange has got to be cut off and a new one welded on. Take it to a muffler shop. Something like that would cost me 50-80 bucks.

Just see if your exhaust has enough play to be pulled in about half an inch.
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Old 09-14-2010, 08:07 PM   #3
RaineMan
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wow... I guess salty roads will do that... ouch.
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Old 09-14-2010, 08:39 PM   #4
69subaru360
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Split flange will fix that right up. They all end up looking like that around here after a few years.
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Old 09-14-2010, 08:41 PM   #5
swede978
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Mine look the same way. I just cut new ones as I used the gasket as a template. I brought it to the muffler shop to have them welded on.
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Old 09-15-2010, 09:21 AM   #6
Boxer4Dad
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Quote:
Originally Posted by 69subaru360 View Post
Split flange will fix that right up. They all end up looking like that around here after a few years.
This is what I would say, too. You could weld on a new one, but this will be cheaper, and should still work.
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Old 09-15-2010, 03:35 PM   #7
KAT_Ayanami
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Thanks. Just got the split flange, and will try to put it on today.

I just hope that the flat gasket that goes between the mid pipe and the tail pipe does not give me trouble (the interior diameter is smaller than the pipe opening, so I might cut the interior of the gasket to make it fit).
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