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  1. #1
    thetolleyman's Avatar
    Join Date
    Jul 2010
    Williamsburg, VA

    R&D intake manifold, any advantage over stock if using stock carbs.

    I see the aftermarket manifolds listed in catalogs and on the forum for the GPR motors. Any real advantage if I'm keeping the stock carbs? Looks like the R&D one might be a bit thicker.

  2. #2
    Moderator OsideBill's Avatar
    Join Date
    Mar 2006
    United States
    No Gains, the only benefit is the reed stuffers that come with them, and there are lots of other stuffers available for less money.

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