Personally, I would want it supported. If you are looking at going through all the cost and trouble to have a front bimini frame made for the hybrid top, it tells me that you are willing to go the extra bit to have it just right. My last EZ Loader trailer didn't have it, I wasn't impressed, spent a lot of time going back and forth with them and I'm told that now any custom trailer made for an ESP boat has the extension as seen on my current trailer. As Tom stated, you have 500-650lbs hanging off the back bouncing around. I would do it, I think there are some pics in my gallery of my old trailer and the supports EZ Loader sent me to alleviate my concerns.