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Thread: Seadoo RXT 300

  1. #1
    ianmak's Avatar
    Join Date
    Jan 2017
    New Zealand

    Seadoo RXT 300

    I have recently purchased a new 2017 Seadoo RTX 300. runs great, I was thinking of having a Riva thru hull exhaust. Can anyone advise if I have to have have the computer re-flashed also any general comments on what you think regarding sound improvement and if any, performance improvement. I'm only new to this so any advice greatly appreciated.

  2. #2

    Join Date
    Jun 2014
    Hi Ian congrats on your new ski! You're going to love it. The thru hull sounds amazing but is a PAIN to install due to the rear of the ski not having the access hatches anymore. I would recommend IMUK (intake manifold upgrade kit), thru hull, Riva power filter kit and a tune. The Vtech tune is the most user friendly and you wont have to send your ECU out. As for a prop I had the best speed with Solas 13/18 until it broke and caused 1000.00 in damage. I dont care if its second batch I wouldnt put another one on my ski.

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  4. #3
    ianmak's Avatar
    Join Date
    Jan 2017
    New Zealand
    Thanks tomespo
    I will take that all in, JFK are goin g to do the install, they were going to do a re-flash but I might suggest the Vtech tune you suggested. It's a beast alright, I had a Yamaha FXSVHO before this would kill it. Riva said I couldn't fit the thru hull exhaust as I have a boarding ladder, but I've seen a couple with the ladder and it fitted with plenty of room, have you heard of this????

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