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Thread: Muffler Identification

  1. 05-31-2019, 07:21 AM #1
    danwiniger
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    Muffler Identification

    So what do I have here? I was only able to find this mark on this part. Where would the Leistritz Marking located at? Is Leistritz Original equipment to the '65 & early '66 911?

    Uneducated on Muffler Originality, looking for Knowledge. Thank You for your input. (this came off of my 1965 built 1966).

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  2. 05-31-2019, 07:34 AM #2
    danwiniger
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    Yes, I did not see anything to the left. Any farther over starts to get into some heavy corrosion. It is possible that it could be aftermarket with the 901/01 stamped on it?

    I will clean it some more.... thanks.

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  3. 05-31-2019, 09:15 AM #3
    718RSK
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    I Will dig the original muffler of my december '65 coupe out tomorrow and take some pictures
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  4. 05-31-2019, 12:44 PM #4
    danwiniger
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    Thank You, that would be very helpful.
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  5. 05-31-2019, 02:16 PM #5
    Ernie W
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    Only stamped marking found on my muffler, it's located in the center.
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  6. 06-01-2019, 10:17 AM #6
    718RSK
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    See attached picture, says Leistritz 901/1 in the location indicated in your picture
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  7. 06-01-2019, 11:35 AM #7
    356rider
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    Here is a photo from my May ‘65 911. It’s in the same location. Even though the OP photo doesn’t have the manufacturer, the number font looks the same.

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  8. 06-13-2019, 07:58 AM #8
    danwiniger
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    I FOUND IT!!! Its original. Thank You.
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