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GM 3" exhaust ball flange for single cat?

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Old Apr 27, 2004 | 12:29 PM
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Mtrhds94Z's Avatar
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From: Point Pleasant, NJ... USA
GM 3" exhaust ball flange for single cat?

Does anyone know where to get the 3" exhaust ball flange that's like a stock one on the rear end of a single cat?[bolts to the catback, and the hanger]
I want to get two, one to replace the cat, [without paying 100 more for the flange being on the new one], and also one to make an off road pipe that can be swapped in easily...
Have tried the usual search engines, etc.. can't seem to find a source..
Thanks!
Charlie
Old Apr 27, 2004 | 12:44 PM
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http://www.drgas.com/product.asp?id=9

I just bought one from them last month to make a new ORP out of a 18" dynomax bullet. You have to get the ball and cone set but it's only $33, not too bad plus shipping was free. They shipped it out pretty fast too, good place.
Old Apr 27, 2004 | 01:49 PM
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Good link Gregg.

I paid $40 for my ball and flare set from MAC. I guess I'll order them from drgas for my bolt-in bullet muffler.

Dan
Old Apr 27, 2004 | 06:48 PM
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Thanks for the source..
What I am looking for specifically is the stock GM single cat flange
http://www.all-catalytic-converters....converter.html
Go halfway down the page to # 9118.. that's the flange I need shown there..
Old Apr 28, 2004 | 12:44 PM
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Originally posted by Mtrhds94Z
Thanks for the source..
What I am looking for specifically is the stock GM single cat flange
http://www.all-catalytic-converters....converter.html
Go halfway down the page to # 9118.. that's the flange I need shown there..

So noone knows of a source for the 'stock' GM flange?
Old Apr 28, 2004 | 01:14 PM
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Some people told me you could get one at a muffler shop when I was looking for one. I tried a few places and they wouldnt sell them (if they did have just that piece) they weren't too interested in helping me out with one unless I was bringing the car in for work was the impression I got. I got the part in the link above and it's basically the same thing, it's a 6" long piece of 3" dia pipe properly flared with a 2 bolt flange to bolt up to the catback fitting. I'm pretty sure the only way you are going to get that 'exact' flange is to cut it off a cat.
Old Apr 28, 2004 | 02:13 PM
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Mtrhds94Z's Avatar
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I figured as much since cats w/o that flange are a lot cheaper that with.. they corner the market on the flange.. I also suspect muffler places have these available[ otherwise where do the stock replacement 'flanged' cats come from?]
The problem is that I want to use the stock hanger.. and also make an ORP to swap out easily..
One could probably make that flange out of say 1/4" aluminum plate, etc.. [but 35 bux for just the ball ended pipe then becomes a bit 'much'..]
I do have the stock cat and Y pipe, but prefer to leave it intact in case I go back to stock someday..
Thanks for the replys Gregg...
Any one else knows [or has an aftermarket cat lying around that has one on it] please post..
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