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  1. #1

    Smile How to mod my 2009 GTX LTD 255 iS

    Guys, I stayed up all nite and read 1yr of posts,and I need some advice..just got a 2009 GTX LTD 255 iS with 12hrs on it. I want to mod it right now,as it is the shop for the 10hr service. I live in NV.and ski on Lake Mead in 100+ temperatures,the plan is a 4in intake,grate,impeller,sponsons,wedge and with your help possibly a euro ecu or reflash...does anyone know if the 2009s can have the ecu switched out as I have read from all the owners of theRXT-X,andRXP-X , that this is the way to get the safest warranted improvements out of this model ski.I want holeshot power and midrange neck snapping performance,top end is a bonus...when the temp is 110 on the lake I know power will be down for those top end runs ,plus I am at 2000feet above sea level...Any and all comments are welcome.

  2. #2
    Gomer Pyle starter99's Avatar
    Join Date
    Sep 2009
    i have a rxt 255 IS good luck i have ever mod on mine some were easy some u really had to do some thinking read these threads and u be in the right directions. and listen to jerry and buy u a shop manual. and it's a pain in the ass to break ski apart evertime u want to do something but ski riding out seadoo rxt 255 IS 76-77 and on a real good day 78

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