Catalytic Converter Replacement - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-21-2007, 10:43 PM   #11
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Quote:
Originally Posted by 92BonneSE
TTT, measured again and if I wrap something around it, it ends up being about 7 3/4 - 8 inches around.

How do you even convert that to find the pipe size???
2.5" OD

91006 is correct
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Old 05-21-2007, 10:49 PM   #12
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I doubt it. An SE SHOULD be 2.25". This is what happens when you measure circumference with a piece of paper.
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Old 05-21-2007, 11:05 PM   #13
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Ok, I will have to find something more accurate to measure with. Would having an N10 exhaust effect the pipe diameter on an SE at all or no?
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Old 05-21-2007, 11:15 PM   #14
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Maybe.

But on a car of your age, there'* no telling what work or reducers/adapters/swaps have been done over time.

Measure the inlet and outlet.
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Old 05-21-2007, 11:23 PM   #15
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Quote:
Originally Posted by willwren
Maybe.

But on a car of your age, there'* no telling what work or reducers/adapters/swaps have been done over time.

Measure the inlet and outlet.
None according to my father who bought the car off the dealer lot brand new.

I'll measure tomorrow again when it is light out
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Old 05-21-2007, 11:36 PM   #16
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I'm not playing ******* here. I want to make sure you get the right cat. Especially if you buy online.

Even on an SSEi, I tell people to measure. Then order.
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Old 05-23-2007, 09:12 PM   #17
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Quote:
Originally Posted by willwren
I'm not playing A$$**** here. I want to make sure you get the right cat. Especially if you buy online.

Even on an SSEi, I tell people to measure. Then order.
Sorry, wasn't trying to ba an *** just saying the exhaust has never had work done.


I measured about 500 billion times today and it is 2.5, So magnaflow part # 91006?
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