Cant tell how many baffles it is. If its 3 or more, then yes that's good. The roundover comment is true will make it lok a lil cleaner.
U also answered thr main concern of mine, which was power. u said hes gonn add another 4500 in the future. That's almost a perfect match made in heavan. 4 zv42 on 2 4500s. that just sounds LOUD. LOL