Possibly the answer is if the stock feel great then something different won't!
I love my adjustable shorty' sand they let anyone else that rides my bikes adjust to suit their preferences. But; if you're happy with stock then don't change them! Sell them and get the farkles you really want! Like a track day!
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The Smart Money: #1 - ATGATT, #2 - Training (machine skills and survival skills), #3 - The bike; whatever floats yer boat with the money you have left over