Elevation and climate and how it affects engine performance and impeller pitch

[viperxxss]

I don't. Where would I get those parts?

nevermind, a quick google search and i'm in business!

[Green Hulk]

I don't. Where would I get those parts?

Here are two catch can options made specifically for your SeaDoo engine

	GRF Racing Sea Doo Stainless Steel Catch Can GRF Racing stainless steel catch can. Constructed of 316 stainless steel. It mounts using your front engine hook bolts. Accepts 3/4" line from your...	GRF Catch Can	$114.95
	RIVA Sea-Doo 4-TEC Catch Can/Engine Breather Kit Easy to install catch can/oil breather eliminates power-robbing crankcase fumes and oil vapor from your engine's air intake. Increases horsepower by...	RS19050-BCC-1	$139.95

[Tony Torque]

So pretty much the best bang for your buck when it comes to speed is to load a tune from maptuner and pitch your stock prop accordingly. And that should get you into the 80's on a RXP/RXT 300.

[hiperf2007]

Doesn't the ECM figure for all the changes?