1990 550sx to 750 conversion - can stock 750 exhaust be used?
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  1. #1
    PWCToday Newbie
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    1990 550sx to 750 conversion - can stock 750 exhaust be used?

    Hello I have found many threads giving me the options of 650 aftermarket exhausts I can use. Specifically I already have the stock 750 exhaust system can this be used? fit in the hull?
    Original build thread here: http://www.pwctoday.com/showthread.php?t=486710
    Thank you!

  2. #2
    PWCToday Regular PiranahIndustries's Avatar
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    Re: 1990 550sx to 750 conversion - can stock 750 exhaust be used?

    Most 650 AM pipes fit with little to no modification. For a 750 stock pipe to work, you would have to make quite a few changes to get it to fit. Some more discussion on this: http://www.pwctoday.com/showthread.php?t=456564

    Good luck with the build!
    1987 JS550/750 Conversion “Big Red”

  3. #3
    PWCToday.com Is My Home Away From Home fastgtfairlane's Avatar
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    Re: 1990 550sx to 750 conversion - can stock 750 exhaust be used?

    if you need a 650 pipe, i have a modified westcoast pipe that i ran in my 550/750 conversion and it ran great. its been extended 3inches for better bottom end and the overall diameter of the center ribbed section enlarged for more power. also cut an angle into the outlet so it lines up nicely to the water box. no longer need it so ill make you a solid deal on it if youre interested
    Attached Images Attached Images
    91 440; PJS Viper 7000, jetsport exhaust mani, factory full pipe, coffman waterbox,solas 17*, jetco worked 440 pump, ocean pro nozzles. shredmaster ocean rideplate and grate combo, wide tray, footholds, deep strake mod, driveshaft fill,650sx quick turn

    build thread part 1: http://www.pwctoday.com/showthread.php?t=331343
    build thread part 2: http://www.pwctoday.com/showthread.php?t=364872
    build thread part 3: http://www.pwctoday.com/showthread.php?t=396154

  4. #4
    PWCToday Newbie
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    Re: 1990 550sx to 750 conversion - can stock 750 exhaust be used?

    Quote Originally Posted by PiranahIndustries View Post
    Most 650 AM pipes fit with little to no modification. For a 750 stock pipe to work, you would have to make quite a few changes to get it to fit. Some more discussion on this: http://www.pwctoday.com/showthread.php?t=456564

    Good luck with the build!
    Exactly what I needed to know, thank you !

  5. #5
    PWCToday Newbie
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    Re: 1990 550sx to 750 conversion - can stock 750 exhaust be used?

    Quote Originally Posted by wworrell View Post
    Exactly what I needed to know, thank you !
    Yes I would be interested, let me know how much to ship to st pete beach fl or message me.

    Thank you!

  6. #6
    PWCToday Newbie
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    Re: 1990 550sx to 750 conversion - can stock 750 exhaust be used?

    Yes I am interested, message me or let me know
    Thank you!

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