Stock 4 bolt exhaust flange

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chriscris

Not-quite-so-new-guy
Dec 9, 2020
11
0
1
Campbellville, Ontario
Before I hit a machine shop, is there a source for a 4 bolt y pipe or converter flange for stock exhaust for an 87 MCSS ?
My Y pipe is still ok, just needs a new flange.
Thanks for any help

Chris
 

blk7gxn

Royal Smart Person
Feb 7, 2019
1,390
1,886
113
Before I hit a machine shop, is there a source for a 4 bolt y pipe or converter flange for stock exhaust for an 87 MCSS ?
My Y pipe is still ok, just needs a new flange.
Thanks for any help

Perhaps something listed on the link I provided will be useful to your repair issue

 

UNGN

Comic Book Super Hero
Sep 6, 2016
3,048
3,264
113
Southlake, TX
I got mine off E-bay 15 years ago.
 
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carnutjw

G-Body Guru
Sep 17, 2017
623
1,467
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IMG_0321 (2).PNG

This was my old exhaust setup, Pypes 2-1/2" MCSS style cat back, 2-1/2" "test pipe" that I used to fill the gap between my original Y-pipe, 2-1/2" slip on cat, and cat back. I still have the bolt together part, the one below and the test pipe side. What is o.d. of your Y-pipe? And where are you located? Checking Pypes website I can't find "test pipe", I think they maybe had some legal action and now have to sell cat back or cat included kits.
IMG_0325.jpg
 

chriscris

Not-quite-so-new-guy
Dec 9, 2020
11
0
1
Campbellville, Ontario
Thanks for the response.
I am in Campbellville Ontario Canada.
The exhaust i am using is stock 2" ?
I would be cutting off and welding the flange to my original front Y pipe.
 

Mr.comfy

n00b
Feb 18, 2021
2
0
1
View attachment 167457
This was my old exhaust setup, Pypes 2-1/2" MCSS style cat back, 2-1/2" "test pipe" that I used to fill the gap between my original Y-pipe, 2-1/2" slip on cat, and cat back. I still have the bolt together part, the one below and the test pipe side. What is o.d. of your Y-pipe? And where are you located? Checking Pypes website I can't find "test pipe", I think they maybe had some legal action and now have to sell cat back or cat included kits. View attachment 167459
Oh man, I'm rebuilding my grandfather's grand prix from 79' and I'm missing just this piece to get her running. Pypes doesn't make them anymore? I'm going crazy trying to find JUST THAT PIECE! Found one site that had it and immediately canceled my order. Any information on that or if you're willing to sell it, send me a message.
 

carnutjw

G-Body Guru
Sep 17, 2017
623
1,467
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There's this piece= out of 4-bolt cat
1613700502085.png


And this piece= Y-pipe to 4-bolt cat
1613700620605.png


Yeah it has some superficial dings. Had to separate from this
1613701250239.png


Which one do you need? And where are you located?
 
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carnutjw

G-Body Guru
Sep 17, 2017
623
1,467
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Sent you a private message- little envelope in upper right side of screen
 
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