any up side to going to the marshmellow extreme on a 40hp mudbuddy came with duals, has mad power, just itching for more, had 23 hp gdlt on 1548 express ran ok (21) same hulls repoweeeeeeed now runs 32plus according to gps,,,,

I would save your money on buying a different exhaust just to have one and do some head work. It will make more of a difference than a different performance pipe