I recently bought and installed the floorboard extensions from Harleygoodies. This is one of the best improvements I have ever made....very comfortable and more room when my wife is on board. I would recommend them to everyone....good quality and easy to install!
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I put them on mine a while ago, and like them. Little more dragging in corners, but that's ok.
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Do the sell them for the passenger boards..???
I fabricated my own extension, with them on and me being short frame no need for highway pegs. \\; I am not sure if you can buy a set for the passenger, but I fabricated a set for mine, girlfriend loves them.