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Thread: Muffler experience

  1. 07-10-2019, 12:03 PM #41
    frederik
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    To my inexperienced eyes the Porsche classic muffler looks authentic enough, wat am I missing? (Do I really want to know -- once you see it it can't be unseen...)
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  2. 07-10-2019, 07:50 PM #42
    Richy
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    Hello frederik , to my experienced eyes the Porsche Classic muffler looks very authentic , you are not missing anything . And good to read you are happy with the sound , I also think there is no comparison to the Dansk .
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  3. 07-10-2019, 08:03 PM #43
    718RSK
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    I am referring to the mufflers used on early? Swb cars. Those are quite distinctly different in construction compared to the Porsche classic muffler
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  4. 07-10-2019, 10:07 PM #44
    718RSK
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    See attached pictures. As you can see the early mufflers had an additional "shield" around them similar to whats sees on 356 mufflers. The Porsche classic muffler does not have this. There are also other small differences.
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  5. 07-11-2019, 06:37 AM #45
    NorthernThrux
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    Quote Originally Posted by Richy View Post
    The Porsche Classic muffler is definitely the most quiet , and sounds good , much like an original Leistritz . I have one on my car .
    Ditto. Sounds good and "adult like". You can converse in the car.
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  6. 10-27-2019, 12:29 PM #46
    Arne
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    Quote Originally Posted by Arne View Post
    Update - After looking into the sub-optimal tailpipe/bumper fit of the really nice sounding Bischoff on my car, I found that mine appears to be original for a '74 G-body.

    Since it sounds good, and appears to be in fine shape otherwise, I plan to have the taipipe cut off and re-welded at a more bumper-friendly angle. Can't see getting rid of it when its only shortcoming is easily fixed.
    Turns out I was wrong. While my Bischoff is not original to my car (dated 10/73), it does appear to be correct for my car, showing part 911.025.00.

    The poor tailpipe fit appears to have been from poor collision repair of the left bumper.

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  7. 05-08-2020, 11:14 PM #47
    zenithblue71T
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    Quote Originally Posted by Chuck Miller View Post
    I think the first time I wrote something about it was on 12/2000... When I was still a guest on the board...

    http://www.early911sregistry.org/for...ffler-opinions

    Hope any of this old thread helps...

    Chuck
    Epic thread Chuck. Thanks for the post.
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  8. 01-22-2022, 07:10 AM #48
    swisscheese
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    Quote Originally Posted by EisenmannNA View Post
    No problem at all. Happy to have found this forum thanks to George.

    P91127.00600 = carbon steel "non stainless" but the photos on the iND site are made using the CAD design so they appear to look like an SS system. Eisenmann Germany wanted to make sure that the system not only looked 100% factory but the sound had to be exact.
    hi Eisenmann, do you happen to have comparisons (build, drawings internals, etc.) and / or comparison measurements (sound / HP performance) with the early Bischoff / Leistritz (or any other) mufflers? thnx.
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  9. 01-22-2022, 07:36 AM #49
    dirk07
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    Tom,

    better reach him over his homepage

    https://eisenmann-exhaust-systems.de
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  10. 01-22-2022, 08:42 AM #50
    swisscheese
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    Quote Originally Posted by dirk07 View Post
    Tom,

    better reach him over his homepage

    https://eisenmann-exhaust-systems.de
    yep, thnx Dirk. But thought it would be interesting to fellow members, if they could show some more info here. (will ask there as well) T.
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