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Thread: vintage SuperTrapp

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    hx35w Guest

    Default vintage SuperTrapp

    I own a 78 XT500 Yamaha. It has had a supertrapp exhaust sense day one. After removing the exhaust and cleaning for repaint I found the stampings. The print shows (T 100 pat. pend.) Should there be a packing inside the exhaust, it is extremely loud? If so is it still available and how too?

    Last edited by hx35w; 12-25-2009 at 07:43 PM. Reason: because

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