Please help getting some parts that would make my ski faster. The only that have find is a intake grate. Bought 3 different impellers none of them work. Please help.

What impellers do you have? Your pump in that ski is actually pretty good. There arent many performance parts for your ski. JOJO

your stock impeller is a good one.i would start with the basics i see there's not much offered for your ski,however you can put a k&n air filter with the prefilter wrapped around it(you might have to rig one up from auto zone ),if there's a cat you can remove that and put the d-plate in,if not you can just have it rejetted.
mike

That ski does not have a cat or carbs its fuel injected stick to what you know and stop feeding crap.