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Cruiser
Posts: 258
Akron, Ohio | Sorry if this has been asked before (I am sure it has) but I could not find it in a search. What is the black rubber 4 hole piece behind the air filter for? I assume it does something with the air flow in the air box. What happens if it is removed? Thanks for any help. |
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Puddle Jumper
Posts: 26
North East Oregon | I was told it has something to do with smoothing the intake airflow...... sounds like bullshit to me especially if you put one of the intake plates (Lloydz or Ness) on it sorta nullifies the purpose |
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Visionary
Posts: 3773
Pittsburgh, PA | Maybe it helps with intake noise? Or something like a venturi effect? |
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Visionary
Posts: 8144
New Bohemia, VA | we'll guess all day, one of the techs will chime in though. I always understood that it decreased volume, yet increased velosity to direct it toward the intake that's nearly a foot and half away, so yes, similar to the venturi effect. That's my take on the intake subject... |
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Cruiser
Posts: 204
guelph ontario | Bike is definitely louder without it. |
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Visionary
Posts: 2300
Georgia, west of Atlanta | Don't know exaclty what it is ( I haven't looked ) but all modern intake chambers are made to be as quite as possible ( to quell intake roar) and to let as much air by as required to make target HP. That's why you can hear the unrestricted intakes suck air, An EPA sound test no-no................... |
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Cruiser
Posts: 258
Akron, Ohio | Probie - 2010-07-19 6:24 PM
Bike is definitely louder without it.
So does this mean you removed it? If so have you noticed any changes other than noise? Milage? Seat of the pants dyno? Drivability? |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | varyder - 2010-07-19 11:59 AM
we'll guess all day, one of the techs will chime in though. I always understood that it decreased volume, yet increased velosity to direct it toward the intake that's nearly a foot and half away, so yes, similar to the venturi effect. That's my take on the intake subject...
It is a muffler to decrease sound to EPA compliance. In a S1 bike with no other mods; it will give you a couple HP, but on a bike with an intake plate. It makes no difference |
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Cruiser
Posts: 258
Akron, Ohio | kevinx - 2010-07-19 9:34 PM
varyder - 2010-07-19 11:59 AM
we'll guess all day, one of the techs will chime in though. I always understood that it decreased volume, yet increased velosity to direct it toward the intake that's nearly a foot and half away, so yes, similar to the venturi effect. That's my take on the intake subject...
It is a muffler to decrease sound to EPA compliance. In a S1 bike with no other
mods; it will give you a couple HP, but on a bike with an intake plate. It makes no difference
Not to be a dope, just to make sure I understand. With it in you gain a few hp. With it out and a plate it is a wash?
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | I* see my ability to confuse is still working*LOL*
With it removed a S1 bike will see a couple HP. With an intake plate, it makes no differance in or out |
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Cruiser
Posts: 258
Akron, Ohio | kevinx - 2010-07-20 6:46 AM
I* see my ability to confuse is still working*LOL*
With it removed a S1 bike will see a couple HP. With an intake plate, it makes no differance in or out
More than likley me not you! Tkanks for taking the time and helping me out. |
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Air intake question
