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Thread: exhaust tune

  1. #1
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    exhaust tune

    this may be one of the best sounding exhaust i have ever heard... whatcha think?


  2. #2
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    That's Tim's setup I did awhile ago...Full length, gutted OEM box with a flared Jpipe...Simple setup.

  3. #3
    i hate my bipolar disorder its great
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    pretty much the same as mine... cut down box with no baffles, cut 1-2" off the j pipe and a riva thru hull
    its bloody loud but sounds great

  4. #4
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    i have a 4tec aka tdr shorty waterbox with riva thru hull. what can i do to make it louder ..heres an old vid

    this is before previous owner added an x charger and 50 lb injectors and vtech tune if it makes any difference

  5. #5
    83.0 @ 8400 jhill19's Avatar
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    Wait till you ride it. Tdr box is louder than the riva that I run.

  6. #6
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    Quote Originally Posted by thatdude596 View Post
    i have a 4tec aka tdr shorty waterbox with riva thru hull. what can i do to make it louder ..heres an old vid

    this is before previous owner added an x charger and 50 lb injectors and vtech tune if it makes any difference

    A Greenbox/TDR box has no baffles in it, and you can't modify it to make it sound louder....The TDR box is the loudest, raspiest box out there because of its design. The main body is empty, the outlets are cut straight tubing. Water that comes in from the Jpipe does not spend ANY time in the box, so barely any sound refraction occurs...

    Compared it to the similar Riva version of the box, which has the exit tube DOWN in the main body by a few inches, which traps water from the pipe...and a mandrel bent bent tube, which makes exhaust exit smoothly...

    The only way to quiet that box down is to inject more water into it, from the top jpipe vent/outlet, back into the box...or the T fitting under the manifold, into the box.

    You HAVE the loudest, nastiest setup available out there.......aside from cutting up an OEM box to half the size...

    Here is my old airflow thread on the Greenbox...
    http://www.greenhulk.net/forums/showthread.php?t=40111

    and the equivalent Riva box...
    http://www.greenhulk.net/forums/showthread.php?t=85305


    OH, and the master airflow thread....
    http://www.greenhulk.net/forums/showthread.php?t=97790

  7. #7
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    I just got my TDR box in the mail today.... Can't wait to hear it !

  8. #8
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    Here's one we came up with a few yrs ago made of SS.. It was loud but with a deep grunt tone. Not meant for jumping waves as you can see it's almost a straight pipe so it's best for the drag racer or if you're always on the throttle.. As long as the water is blown out after each ride it's good to go..

    This was the 1st one made so nevermind the welds.. LOL

    http://lt1ls1.com/socalpwc/Misc/SS%2...t/DSCF5185.AVI

    Pics http://lt1ls1.com/socalpwc/Misc/SS%204tec%20exhaust/

  9. #9
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    Danny thanks for posting up the air flow thread! Looks like my ski is def a breathing machine, which is great. I'm sure that link will get some views

  10. #10
    imp0ster's Avatar
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    2008+ style and tdr read exit(solid pipe) is louder. Trust me it's a bit too much

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