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  1. #1
    pete71's Avatar
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    Question secondary muffler Q.?

    just wanted to know if / why cant you just run a U pipe from the first muffler to the stock (white,plastic?)exhaust exit pipe?

    or has anyone just done just this instead of buying the riva kit ?

    thanks love the forum


  2. #2
    pete71's Avatar
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    oh....this is for a 15 F...

  3. #3
    Formerly Ultra250 TN Aquaholic6801's Avatar
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    I think the exhaust would melt the pvc pipe.

  4. #4
    Having Fun jp1300r's Avatar
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    Pete, My exit pipe on my 06 STX-15F is aluminium, I sure yours is too. You be able to cut and splice the two hoses. If you don't do waterline mods, should run cool enough.
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  5. #5
    pete71's Avatar
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    pulled it out today,was aluminium,cant justify the cost of a riva by-pass kit( + postage to australia )for a tube !! engineer at work is going to make me an " U " tube to join to the stock exit pipe to the main water box.

    i have done the the water box mod !

    did you cut and join the water box connecting pipes to by-pass the second muffler ?

    what improvements do you think you gained ?

  6. #6
    Having Fun jp1300r's Avatar
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    I did the RIVA exhaust mod. I went ahead and bought the RIVA RPM kit and did full exhaust mod, waterbox, waterlines.

  7. #7
    AaronC's Avatar
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    Quote Originally Posted by pete71 View Post
    just wanted to know if / why cant you just run a U pipe from the first muffler to the stock (white,plastic?)exhaust exit pipe?

    or has anyone just done just this instead of buying the riva kit ?

    thanks love the forum
    This is exactly what I'm going to do. I'm gonna go to an exhaust shop, have them bend me a 2.5" pipe to connect the first box to the stock exit pipe. I have couplers to connect them. The only thing I need to buy will be the water bypass kit. I tried looking for some strong flexible hose but haven't found it yet. I know a guy who did the flexible hose but he's in Australia.

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