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Thread: Decoding a muffler part number

  1. #1
    Senior Member
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    Decoding a muffler part number

    Picked up a NOS Bischoff muffler. It has a part number I can't find and was hoping someone could help.

    911.025.01/9.8 (I'm not sure about this very last digit... it was stamped over the weld and is not 100% clear).

    It is stainless steel and has the Porsche sticker "Made in Western Germany"

    Thanks in advance.

  2. #2
    Member #226 R Gruppe Life Member #147
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    The 025 is for stainless. 1/98, January 1998 I would guess is the date code.

  3. #3
    Quote Originally Posted by gled49 View Post
    The 025 is for stainless. 1/98, January 1998 I would guess is the date code.
    Wouldn't be from West Germany if it was made in '98...the wall was already down.
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website
    Searching for engine #907495 and gearbox 902/1 #229687

  4. #4
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    Yes. Manufactured pre "Winds of Change."

    Any ideas or help?

  5. #5
    Quote Originally Posted by geneulm View Post
    Picked up a NOS Bischoff muffler. It has a part number I can't find and was hoping someone could help.

    911.025.01/9.8 (I'm not sure about this very last digit... it was stamped over the weld and is not 100% clear).

    It is stainless steel and has the Porsche sticker "Made in Western Germany"

    Thanks in advance.
    The 9.8 might have been something like 9.81 or 9.82, etc.

    Than it would have been September in the early 80's

    Richard

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