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Thread: Velocity stacks question please help

  1. #1

    Default Velocity stacks question please help

    So I opened my air box and the previous owner had cut the two tall stacks to the same height as the two short ones.

    Is this okay or do I need to get new stacks before riding it again?
    I donít want to cause anymore damage if itís not okay

    Sent from my iPhone using Tapatalk

  2. #2
    World Most Bad A$$ 6R Marthy's Avatar
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    Jun 2010
    Boynton Beach, FL
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    Cheap mtrfkr LOL

    Part of my "airbox mod" was to use 4 short stacks, not to cut the middle ones to save $35.00! LOL Here a link if you want to either replace them with oems or get 2 short ones.


    Life is all about attitude. Be hard on yourself, easy on others.

    FZ6R sold...

  3. #3


    Awesome thanks Marthy I will be buying these to replace them.

    I want to kick the guy that owned this bike before me

    Sent from my iPhone using Tapatalk

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  5. #4
    Senior Member sti491's Avatar
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    Oct 2017
    High Point, NC
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    I have been running with Delkevic Marthy style exhaust, PC5, cut open airbox with all short stock Velocity Stacks for about 4,000 miles now. I believe with my set-up the airbox mods and short stacks enhance top end a bit. I bought a used airbox on E-bay super cheap, so I can play with Velocity Stack set-up. I was going to try all long stacks, but my bike runs so darn strong now, I do not want to change anything.

    The only downside is fairly loud intake howl at WOT.
    '12 Raven/DS70/PC/Block offs/Cut air box short v-stacks/Timing adv/-1 frt sprocket/Metzeler M7RR's/90o stems/spools/sliders/GD opener/Acc-USB plugs/Volt meter/Jewel switch/Phone mount/LEDs: Amber Jewel/Headlight/Smoke tail & flush frt & pod sig-DLR/underseat red sig-brake/DMP fender eliminator/Lithium battery/Puig touring screen/Grip Puppies/Seat 1.5" higher/Rox 1" up & back risers/Gear Indicator/KTM tail pack/M1 alarm/CC/Tank Pads/SS BL/3 back surgeries/Old fart balls of steel/Happy to be here.

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