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  1. #1

    Riva or TDR water box

    I have a 2007 rxt and was wondering what would be the better water box for this ski. I will also be installing thru hull exhaust.


  2. #2
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    I have the Riva water box and i love it.I think the TDR is a little bit louder than the RIVA!

  3. #3
    Fastest in my cove sfackett0's Avatar
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    the Riva water box has the pipe attached for the thru-hull, there is not an option without it

  4. #4
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by BChauvin View Post
    I have a 2007 rxt and was wondering what would be the better water box for this ski. I will also be installing thru hull exhaust.
    The Riva waterbox is a better waterbox. It has a mandrel bent exhaust exit pipe, it has radiused ends for better flow. It was designed on a flow bench. It's also powder coated to prevent corrosion. If you want the best performing box then the Riva is the clear choice.

    You do not need a rear exhaust with it... it comes with it's own. You would need these pieces for the complete kit
    waterbox
    http://www.4-tecperformance.com/inde...roducts_id=987

    exhaust tip
    http://www.4-tecperformance.com/inde...roducts_id=552

    coupler kit
    http://www.4-tecperformance.com/inde...roducts_id=699


    the greenhulk coupon code will save you 10% off of all of the above

  5. #5
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    The OPAS also has to be removed.... so add these to your list.

    http://www.4-tecperformance.com/inde...roducts_id=986

  6. #6
    Eric Ocman's Avatar
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    Even though the RIVA box may be fabbed a bit better IMO the difference in performance is probably not noticeable. Personally I like the 3In TDR setup and its brush finish alu and looks nice.
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