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Posted:  15 Oct 2007 05:49   Last Edited By: njsxb9[?]  
Well got home from a ride today and decided to tear into my airbox.  Ripped out the little intake tube they put in the frame which opened the intake about about 50% or more.  noticeable difference when I took it out to test it.  Now the next thing is to either cut the whole ahirbox cover down just so it covers the K&N filter or cut several intake holes in the cover itself.

http://www.buellxb.com/buell_images/402_20071014204841_L.jpg
http://www.buellxb.com/buell_images/402_20071014204835_L.jpg
http://www.buellxb.com/buell_images/402_20071014204829_L.jpg
http://www.buellxb.com/buell_images/402_20071014204823_L.jpg
Posted:  15 Oct 2007 08:23 [?]  
Get yourself an airbox delete and a breather re-route and you will be happy with the results..
Posted:  15 Oct 2007 19:03 [?]  
the goal is not only to get more air in, but to get more cool air in...
Posted:  15 Oct 2007 20:30 [?]  
yep. what they said!
Posted:  15 Oct 2007 23:53 [?]  
not to jack your thread... i just got done with my box.

beforehttp://www.buellxb.com/buell_images/568_20071015145022_L.jpg

afterhttp://www.buellxb.com/buell_images/568_20071015145029_L.jpg
Posted:  16 Oct 2007 00:38 [?]  
i'm not sure that this did anything other than create more noise. performance wise.. eh!? i think opening up the outer cover in someway will definitely get more air in there.
Posted:  16 Oct 2007 01:31 [?]  
When I installed my open air box, the throttle response was much better.  There was a increase in noise, and it also seemed to help with that off the line hiccup.
Posted:  16 Oct 2007 22:01   Last Edited By: dmp0001[?]  
does anyone know if you can retrofit the intake from the new airbox covers to the 03 lightning cover, I don’t want to change the color of the plastics just add the intake. the more air the better! lefox, in Colorado in October all air is cold air!
Posted:  16 Oct 2007 22:35 [?]  
Yes, the newer airbox covers will retrofit.
Posted:  16 Oct 2007 23:13 [?]  
I am talking about the piece that is black or gray around the gas cap, not the whole cover, on the 03-05 it is just black plastic but on the 06+ they have an air intake. are the covers available as 2 parts or do I need to wait to find one to experiment with?
Posted:  16 Oct 2007 23:20 [?]  
They are one piece.  You would have to toy with it.  They dont make the same color as your bike since 07?
Posted:  16 Oct 2007 23:49 [?]  
I have an 03 in yellow, I dont think I can get the new airbox in that color. I will just have to wait untill I see one on the cheap to buy, like a cracked or crashed unit
Posted:  22 Feb 2008 04:28 [?]  
Where can I find the airbox delete "kit"?  I don't see it on ASB, but that's what everyone keeps mentioning...
Posted:  22 Feb 2008 05:58 [?]  
it's called "open airbox conversion kit" on their site
Posted:  24 Feb 2008 02:05 [?]  
Open Airbox Conversion Kit + K&N = more air in. Would that also mean a TPS reset? or Reprogram or would it be better to buy RAce ECM?  I have Econo Drummer which still has valve so its been fine, but I would love to eliminate that little hickup.  Also, how would making these changes affect gas milage?
Where is their more noise - under the cover? Is it good noise? Annoying noise? Indifferent?

Thanks!
Posted:  24 Feb 2008 11:12 [?]  
Quoting BuellPastor
Would that also mean a TPS reset? or Reprogram or would it be better to buy RAce ECM?

best would be a new map, as always.
but a race ecm would already mean a noticable difference.

Quoting BuellPastor
Where is their more noise - under the cover? Is it good noise? Annoying noise? Indifferent?

a good, rough, tough sucking noise...
i like it, most of the people i know like it, maybe you will too
Posted:  25 Feb 2008 22:01 [?]  
as LeFox said gives it a sucing noise,kinda like a grunt sounds good in my opinion
Posted:  01 Jun 2008 18:29 [?]  
on the airbox delete kit from asb what is the t and hose for??? i dont remember seeing a hose like on the stock airbox.  if i have a race ecm would i need a reset of any kind??
Posted:  02 Jun 2008 14:13 [?]  
The t and hose are to the the breather re-route mod.  The kit does not include the small filter or a catch can, but it's a start...

see this link for details on that mod...
re-route
Posted:  27 Oct 2008 03:13   Last Edited By: Roccodart440[?]  
Zombie, Is the before pic of your airbox factory? Mine doesn't have those holes that yours does in the "before" pic?
Posted:  27 Oct 2008 17:04 [?]  
His air box is the new design. I would guess 06, 07 and newer.
Posted:  28 Oct 2008 05:49 [?]  
Actually I think his looks like DIY.  Here's a link with the newer factory airbox covers ('07-newer).  2007 vs. 2006 Air Box Cover
Posted:  29 Oct 2008 03:20 [?]  
As far as opening up the airbox like zombiebueller did, how does that compare to  the ASB airbox delete performance-wise? Also, should I take out the snorkel completely, or I have heard something about just clipping it or cutting it somehow?
Posted:  29 Jan 2009 03:30 [?]  
I've noticed something interesting about these airbox mods as well as the newer stock airbox covers. Well this holds true for my 06 uly anyway- if you take a flashlight and shine in on the vent in the front of the cover (by the gas cap) you will notice most of the air in is restricted by the very front of the black plastic airbox. Wouldnt it be best to cut open the very most front of the cover, so the air is allowed directly into the filter?  If anyone can advise I appreciate as I will probably be cutting into it soon. Thanks
Posted:  30 Jan 2009 00:19 [?]  
comments??
Posted:  30 Jan 2009 02:55 [?]  
I have never looked threw the vent but I believe FIDO opened his up. I cut open everything on mine all the way too the out side and basically cut away all of the inner box. More air is always better but you have to be aware of the possibility of running lean in you A/F ratio.  I dont think opening that up will cause any problems but I also dont think it will add that much air.
Posted:  30 Jan 2009 04:59 [?]  
Thanks for the reply gator, yeah I dont expect a huge change, but I also ride a uly, so I'm not trying to have the fastest bike around, just trying to do some simple mods to get more out of it  without going too overboard. Looking at the factory design of this airbox does puzzle me though. They have that vent there in the outer cover, then they blocked airflow directly by placing the inner cover directly behind it. Appears to block at least 50% of the air into that vent.   Oh, I was also wondering- that picture at top- Am I seeing that correctly, is the airbox actually opened to that left scoop through the frame of the bike? If so that seems like more air than any bike should ask for.. Awesome
Posted:  30 Jan 2009 21:20 [?]  
anyone else see what I'm gettin at?
Posted:  30 Jan 2009 23:47 [?]  
That pick at the top is of the older model XB and your uly will not have that, the right side scoop actually pushed air into the box.As for why Buell changed that I have no Idea maybe they felt it was not needed and kept stuff like bugs and dirt out of the air box itself.  If you Swiss Cheese you inner box using a (step drill bit) it will help a lot and you can open up the vent up front. It will get enough air that you will feel a difference, a High flow filter will help also.
Posted:  31 Jan 2009 01:52 [?]  
Thanks again gator, I think I'm gonna cut into it this weekend. I do have a k+n already, so after this I should be good shape.

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