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Discussion Starter #1
Hello again everyone, I have another newbie question that pertains to anyone that uses a Unifilter PN: NU2393ST. My 700 is an 04, it came with a K&N air filter that was either washed incorrectly or installed incorrectly as it was crushed beyond repair. I don't want to start a flaming issue here this is just my opinion, based on my personal experience. I have used K&N in the past and they let too much dirt thru. That said, I've also used Uni as an outerwears on my VW Buggy. So I ordered a Unifilter thinking it was a stock replacement. I got it today and I don't understand how this is supposed to work. It basicly looks like a thick outerwears!!!!!???? It's just a foam cylinder with no top or bottom. I understand the bottom needs to be open, but what seals the top? It also doesn't fit the cage that came with the bike. Is that a K&N only cage? I am befuddled. Sorry for the long post its hard to explain.
 

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The Unifilter fits on the stock cage, which has a closed top. I havent seen the K&N filter so I dont know if the cage is different to stock.Does the K&N even use a cage?
 

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Discussion Starter #3
I don't know if it supposed to....but the bike had a cage inside the filter box with a K&N installed over it. As to whether it was installed correctly , I have no idea this is my first KFX700.....my first ATV for that matter.
 

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Discussion Starter #4
Ok...apparently I am missing stock parts. My K&N filter is cast into its own top. The cage I have is an open frame. I don't see a separate top for the cage. I guess I need to find a stock top or maybe I will just buy a complete stock airbox assembly so I see what I'm missing.
 

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someone will probably have a stock air filter cage for sale in the clasifieds.
 

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gardog, the stock cage is a black plastic open frame that fits perfect, if you have this keep it in and I recommend getting a twinair powerflow filter kit. It will mount directly to the stock cage and allow optimum air intake and filtration. The doc file has a pic of the stock plastic frame.
 

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I have a new stock cage along with new OEM filter for sale. The stock filters do look like "wraps". No top or bottom. The OEM cage has a built in metal lid.

The OEM K&N replaces the whole thing. It has pleats on the side and a built in rubber/silicone top.

Like Wapiti1 said get the TwinAir powerflow. Excellent filtration and still flows great.
 

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Discussion Starter #9
OK. I've read all your replys and I'm very grateful for everyones input. First, I do have the black plastic frame that mounts to the bottom of the airbox with four phillips pan head machine screws, which on my bike the K&N went over and secured to the top of with three wing nuts. I don't have the copper colored metal cage pictured in Wapiti1's post, although I think that cage comes with the Twinair Powerflow kit. If this is CORRECT and I have all the stock airbox parts I need to use the T.A.P.K. then I'll get one of those. Where is the best place to purchase on the net, and what model should I get, as I don't see one listed for the 04 KFX700 on Twinair's website. Thanks in advance. You guys rock.....I am soooo glad I went with Kawie...even if I still haven't solved my no oil pressure problem, and I haven't heard it run yet!
 

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Gardog, the orange frame does come with the " twinair Power flow" is the one you want, They do make a direct stock replacement too, you do not want that one. I got mine through my local dealer. I do have a good relation with my dealer and I was able to get mine cheeper through them.

Good luck:D

And yes, you will get good advise here for your V.
 

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Discussion Starter #11
Thanks Wapiti1. I don't really have a "local" dealer and when I did 10 years ago they were a ripoff! I live in a mostly residential area that was formerly farmland...I think my property is prob. the largest private residence within 50 plus miles and I only own 3.5 acres so I am going to search the net and here more before I buy. I'm in no hurry....other than my self induced kid with a new fast knarly lookin monster of a toy impatience:p. On another note,******newbie question****** is VFJ an engine builder or just a clutch guy? not that theres anything wrong or inferior about being a specialist, I couldn't think of a way to ask the question without it sounding rude. I just can't tell from reading his posts and replys. He seems very cool and knowledgable, and close enough to me to get his expertise when it comes time for a BBK if he does that.
 

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gardog, I think john builds but uses other kits. He does great clutch work and has helped me on several occations. I have a stage 2 clutch from him. I also purchased a 715 kit from FST per his recommendation, FST had a great price his kit as well. Have not installed it yet. If your looking for BB kits there are AMR. Fundy and Four Stroke Tech. I have heard good stuff about all three. These companies have done testing and have put together their own kits using thier own custom pistons and specific cam grinds. All good stuff. I have ridden a Fundy 730 V and a FST 800 V. They both have wicked power.

Happy spending
 

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Discussion Starter #13
Thanx!
 
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