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SAAB 97x Aero
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Discussion Starter · #1 ·
I seem to be finding conflicting info when I do a search, so here goes. Is the stock ehaust pipe going into and out the muffler 2.5" or 3"? I've seen where people say to use a 3" in/out, and others say they've used a 2.5". So....which is it?

Thanks!
 

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Discussion Starter · #3 ·
3" in/ 2.75" out

People just replacing a muffler will use a 3"/3" one.
Thanks...but any reason why they wouldn't try to use a 3/2.75 if they were replacing just the muffler? Would seem easier.
 

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Discussion Starter · #5 ·
Thanks! Thats what I was thinking after an entensive search:coolthumb:
 

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TrailblazerSS
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What type of question is this pipe size......you ****.......kiddin
 
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