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My next question is the Maco for exaplex has 1.5" mast attachment.. how would I successfully step that to be a 2" instead.. do I just drill the plate and use 2" muffler type clamps??


For the A99 I see a simple 1.5 - 2" back to back double U clamp adapter.. Like a Shelly clamp or this:


[ATTACH=full]27403[/ATTACH]


Would the Shelly type be better or this type??