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Thread: 3M Universal resonator

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  1. #1
    madrian Guest

    Default 3M Universal resonator

    I just installed a 3M Universal kit with 4-stroke core. I was advised that to lower the noise and increase performance, I should get a Resonator end cap, part # 307-5500. Where can I find one? The catalog does not show one.

  2. #2
    bschultz Guest


    See answer under tuning/performance thread.

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