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997.2 base vs. 997.2S. Mufflers....same?


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I have an opportunity to buy a set of 997.2 base mufflers with the Fister modification but can't find any concrete information if they will fit my 2009 997.2S. Some people say they will, some say the two cars have different mufflers.

Looking at the parts catalogue I do see two different model versions of non PSE exhaust but don't know what it means. They are:

Model I756:

997 111 995 31

997 111 996 31

Model I171:

997 111 311 30

997 111 312 30

Can anyone give me a definitive answer if 997.2 base cans are the same as 997.2S ones?

Thanks!

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  • 5 months later...

Did you ever get an answer for this? I'm trying to work out if 997.1 PSE mufflers are the same as 997.2 mufflers. I know there is a center muffler on the 997.2, but have no info if the geometry of the side mufflers was changed.

So if you've found a good source of muffler info that would help me also.

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  • 4 months later...

To the OP, 99711131131/99711131231 appears to be to correct numbers for both non-PSE S and non-S side mufflers.

 

99711115932 is the number of the center muffler for both S and non-S.

 

Typically, changes in the last digit occur when there is a small manufacturing difference in the part to improve something.  I think you will find that both models use all of the same mufflers.

 

Did you ever get an answer for this? I'm trying to work out if 997.1 PSE mufflers are the same as 997.2 mufflers. I know there is a center muffler on the 997.2, but have no info if the geometry of the side mufflers was changed.

So if you've found a good source of muffler info that would help me also.

The connections on the PSE mufflers are very different between the 997.1 and 997.2 cars.  They are not interchangable.  I had both cars and modified the exhausts on both so I have first hand familiarity with them.

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