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  1. #1
    98gsxl951's Avatar
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    is there a cheaper solution to doing a exhaust on 05 12f?

    i want to open up the exhaust a bit, i saw rivas pipe for $200 but after looking at it closely their isnt much to it. any one ever do a custom pipe?


  2. #2
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    2.5 inch aluminum 180 degree bend, deletes the secondary water box.

    http://www.greenhulk.net/forums/show...33#post1447633

    Sean

  3. #3
    98gsxl951's Avatar
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    wait do i have to stretch the hull with a jack

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    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    it doesnt hurt anything but yes you do

    Sean

  5. #5
    98gsxl951's Avatar
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    would it be wise to take some 1/4" thick board and put it between the hull and the jack to disperse the weight evenly?

  6. #6
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    i suppose you could but I promise you there is no damage to the hull, I have done this twice, no spider cracks, nothing

    Sean

  7. #7
    98gsxl951's Avatar
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    awesome, jsut ordered up a vibrant 2.5" u bend, any vids or sound clips of the pipe? with love to hear what it sounds like

  8. #8
    I know this is a two year old thread, but I was in the process of trying to remove the second waterbox last night. Got my jack in there but then I stopped because I don't know how much I can open up the hull. It wasn't close to being enough to slip out the box before I stopped. I was following the placement that RIVA shows in there pictures and today I noticed that there was quite a bit of jack exposed than was on mine, but I am using the jack outta my F350, so maybe its bigger. How can you tell if you are stretching the hull too much and get cracks?

  9. #9
    RLACEMAN's Avatar
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    Its not worth removing, even if you modify the primary box, I have a secondary box that I opened up to see whats inside, it has 2-1 3/4 passages vs the primary having only one 1 3/4. All you will gain is noise, if you are doing the primary mod, test is with the second in place. I will soon be doing this to my 15f, should have had this done by now, but an injury slowed me down for a couple weeks. According to many on this site you can stretch the hull enough to remove the box without cracking the hull, I would research it a little more if you really want it out, to make sure you don't damage anything.

  10. #10
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    Re: is there a cheaper solution to doing a exhaust on 05 12f?

    Just keep going it will be fine.

    Sean

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