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Old 01-13-2021, 12:57 PM   #9
Dave80GTSi
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Join Date: Sep 2016
Location: Central Ohio
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Quote:
Originally Posted by maytag View Post
In my experience, (probably less than yours) the I.D. of the pipe is the same, only the bolt-circle (triangle, haha) is different. I've pieced-together MANY exhaust components from MANY cars, 3.2, 2.7, even some aftermarket stuff intended for 2.5, and they ALL have the same pipe diameter. Again; only the flange differs... possibly fooling some into thinking the pipe diameter is also different.
Yes, I fully agree with this.

I started a thread about this exact subject a while ago; a Search will bring it forth for those who wish to see the pictures.
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