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GS 550 top end upgrade exhaust

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    GS 550 top end upgrade exhaust

    Hey everyone,
    I’m partially through a top end swap on my 1980 gs550. The stock top end is off, I’ve rebuilt the 650 top end, and now I’m just waiting on piston rings before I hone and instal the 650 cylinder.

    My question is; if I buy the MAC 4-1 GS650 exhaust, will I have any mounting issues since it’s still a GS550 frame?

    Thanks,

    Peter

    #2
    Peter,

    Please place your question in the Exhaust forum

    This forum is for a special bike for Frank
    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

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