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  1. #1
    Site Admin Green Hulk's Avatar
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    RIVA water box for FX SHO/FZ now released

    This is now in the online store
    http://www.4-tecperformance.com/inde...oducts_id=1491



    Developed on our Dyno and tested extensively on the water, this water box features radiused exhaust tubes and end caps for optimum exhaust flow. Unique exhaust baffle will increase the low-end power and mid-range pull of your Yamaha watercraft. Delivers up to 15hp on modified engines along with significant torque gains. High-strength aluminum construction will survive backfires and meltdowns. Powder coated to prevent corrosion. A must for modified motors. Key Benefits Include: Delivers up to 15hp on modified craft! Machined hose flanges for reliable coupler retention. Radiused exhaust tubes & end caps. Powdercoated to prevent corrosion.

    NOTE: For those running RIVA/Vi-PEC ECU, we offer specific maps to complement increased power provided by this waterbox. To download click here.


  2. #2
    Ride it! GPR Ed's Avatar
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    looks good, would love to see a vid with the sound!

  3. #3
    Live Fast wave15stx's Avatar
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    gunna need one of these

  4. #4
    RichieFZR's Avatar
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    I'll be ordering one of these very soon!!

    Jerry is it heaps louder with the thru hull system??

  5. #5
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by RichieFZR View Post
    I'll be ordering one of these very soon!!

    Jerry is it heaps louder with the thru hull system??
    I haven't heard it yet but will soon Mine will be here on Tuesday

  6. #6

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    looking forward to a sound bit.

  7. #7

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    Quote Originally Posted by Green Hulk View Post
    I haven't heard it yet but will soon Mine will be here on Tuesday
    Jerry, did you have the TDR on when I was at MB? That was loud, but sounded really good!

  8. #8
    RichieFZR's Avatar
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    Quote Originally Posted by SHOdude View Post
    Jerry, did you have the TDR on when I was at MB? That was loud, but sounded really good!
    Anyone got any video's of the mudbug run??? maybe there is sound of the TDR box???

    Where can I get a TDR box from??

  9. #9
    yami_rida#26's Avatar
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    Someone should also do a back to back between the two boxes, not bashin the Riva box but the TDR is $100 cheaper so i'm curious about differences in sound/performance.

  10. #10
    RichieFZR's Avatar
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    Quote Originally Posted by yami_rida#26 View Post
    Someone should also do a back to back between the two boxes, not bashin the Riva box but the TDR is $100 cheaper so i'm curious about differences in sound/performance.
    Where do I get the spec's on the TDR box?? Ive googled and I can find it. Someone Help....?

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