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I am looking to get some rxp-x modifications. I just want to know what mods are worth it, and which ones i do and dont need.
It depends on what you want to spend and how fast you want to go. I have a full Riva stage three kit on my 2006 RXT. That kit has internal as well as external engine improvements and will easily beat any stock ski made to date. That kit was worth it 215 HP up to 295 Hp.

The big thing was upgrading to a racing ECU. Next the Riva thru hull exhaust with the Riva waterbox. Cold air intake is good also. The pump wedge helps with bow lift. Riva High performance intake grate is good in calm water. My ski is so fast that in choppy water it loses bite and sucks air because the speed is faster than stock and the hull gets alot of air. But on flat water it really screams
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