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Need actual user input/opinion Mac/VH

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    Need actual user input/opinion Mac/VH

    I am building a 1981 GS650GL into a cafe' bike. I can get a 4to1 Mac pipe or I have read the thread that states a V&H pipe for a 550 will work with gaskets. I would like to hear from anyone that has actual use of either of these solutions. My 750 got a good boost in mid/top range with V&H. I appreciate any info you might have. Thanks in advance.

    #2
    Originally posted by Madmax View Post
    I am building a 1981 GS650GL into a cafe' bike. I can get a 4to1 Mac pipe or I have read the thread that states a V&H pipe for a 550 will work with gaskets. I would like to hear from anyone that has actual use of either of these solutions. My 750 got a good boost in mid/top range with V&H. I appreciate any info you might have. Thanks in advance.
    Power gain with a pipe is kind of eh...where you gain the most is the weight loss big time.
    sigpicMrBill Been a GSR member on and off since April 2002
    1980 GS 750E Bought new in Feb of 1980
    2015 CAN AM RTS


    Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

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      #3
      I don't run either (I run Kerker) but you might also ask about quality of one brand vs. another.

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        #4
        Go with the V&H
        Better overall quality.
        Gaskets? You always use exhaust gaskets in the head.
        1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
        1985 GS1150ES stock with 85 Red E bodywork.

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          #5
          I have had Mac, V&H, Kerker. I took off the Mac and sold it, the Kerker and V&H are much better.
          http://www.thegsresources.com/_forum...ine=1352313915
          1979 GS1000

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