Hi all, I am new here. Bought a 2015 TXW175 with a 60 horse Mercury 4 stroke and really looking to get a little more top speed out of my boat. I have a 816706A45 prop on and I just have no clue if this is a black Max or just a stock prop. Any help appreciated, I bought the boat about a year ago, looking up this model number it matches up with a black Max.