SuperTrapp exhaust

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  • lurch12_2000
    • Feb 2026

    #1

    SuperTrapp exhaust

    I was looking over the exhaust on my new GS1100ES and was curious of feedback from others using this 4 into 1 system. Mine appears to have 11 discs which according to my research on the web states "that more discs equates to more noise and power" and "10-15 hp gain". So have others tried removing or adding these discs to check results? dyno tested?
    BTW- the bike runs perfect and is very fast, so I will not mess with it at this point.
    I didn't realize they own Kerker exhausts too.
  • Big T
    Forum LongTimer
    Past Site Supporter
    Super Site Supporter
    • Mar 2005
    • 12392
    • West Slope, OR

    #2
    Supertrapp is generally held to be high quality, especially the stainless steel version. The adjustibility is a plus as you can tune for power and sound.

    I think Kerker owns Supertrapp
    1978 GS 1000 (since new)
    1979 GS 1000 (The Fridge, superbike replica project)
    1978 GS 1000 (parts)
    1981 GS 850 (anyone want a project?)
    1981 GPZ 550 (backroad screamer)
    1970 450 Mk IIID (THUMP!)
    2007 DRz 400S
    1999 ATK 490ES
    1994 DR 350SES

    Comment

    • lurch12_2000

      #3
      Originally posted by Big T
      ...I think Kerker owns Supertrapp
      not according to their site:

      Comment

      • Big T
        Forum LongTimer
        Past Site Supporter
        Super Site Supporter
        • Mar 2005
        • 12392
        • West Slope, OR

        #4
        Mea culpa! Didn't fact check!
        1978 GS 1000 (since new)
        1979 GS 1000 (The Fridge, superbike replica project)
        1978 GS 1000 (parts)
        1981 GS 850 (anyone want a project?)
        1981 GPZ 550 (backroad screamer)
        1970 450 Mk IIID (THUMP!)
        2007 DRz 400S
        1999 ATK 490ES
        1994 DR 350SES

        Comment

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