UNI or K&N? - Page 2 - Polaris ATV Forum
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post #11 of 16 (permalink) Old 10-21-2012, 05:46 AM
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Join Date: Aug 2011
Location: Chaumont NY
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I like my Uni's. As stated, there's no real performance difference. I look at my UNI as a cost saver because I don't have to buy a new one all the time. I like being able to just wash it and re-oil it. Lost cause makes a good point on being able to dry it on the trail as well. I hadn't thought of it that way.

MINE:2015 Sportsman SP 850 Sunset Red
Back seat / cargo box and footpegs from Thor, Polaris 2500 Winch with synthetic rope, Polaris front and back bumpers, Polaris Lock-n-Ride Mid windsheild, Heated handgrips, Fender Flares, Rotax 2+2 Fuel Cans on front rack.

HERS:2015 Sportsman SP 850 Touring Sunset Red
Polaris 2500 Winch with synthetic rope, Polaris front and back bumpers, Polaris Lock-n-Ride Mid windsheild, Heated handgrips, Fender Flares


RIP Sarge (2004 Sportsman 700 EFI killed on trail 32, Rock House, Hatfield-McCoy)
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post #12 of 16 (permalink) Old 10-21-2012, 09:14 PM
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I chose to go with K&n for a couple reasons. It is easier to clean and re-oil. With the uni filter the oil is very tacky and collects dust much faster. With the k&n (with the outer filter installed) it seems to not collect as much dust due to the pre filter doing its job so I like that I dont have to clean it as often. I have owned both btw. Also if you get the k&n recharger kit you dont have to mash the oil into your filter to get it all soaked in. Just spray the cleaner on, wait a few minutes, wash from inside out, let it dry, and then spray the new oil on it. Either filter is a good choice. And as others have posted an oiled filter will help with keeping water out a little better and is able to be dried out on the trail...

2018 Sportsman 850 SP Camouflage
2014 Sportsman 90 Sage Green
2018 Honda 250 Recon
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post #13 of 16 (permalink) Old 10-22-2012, 08:30 PM
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Location: Pennsylvania
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The stock filter is the worst option of the three. Im a mechanic at a polaris dealer and I see it EVERY day. Polaris paper filters let dust right through them. K-N is better but still lets dirt in. A foam filter with the correct oil is by FAR the best. A lot of people think the factory filter is best because thats what it comes with. Polaris uses a paper filter so that you have to buy one every time it gets dirty. Foam filter oil in a foam filter has been proven best time and time again. Its just advertising and internet misinforming people about this.
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post #14 of 16 (permalink) Old 07-31-2014, 10:24 AM
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Quote:
Originally Posted by Rooskey View Post
I chose to go with K&n for a couple reasons. It is easier to clean and re-oil. With the uni filter the oil is very tacky and collects dust much faster. With the k&n (with the outer filter installed) it seems to not collect as much dust due to the pre filter doing its job so I like that I dont have to clean it as often. I have owned both btw. Also if you get the k&n recharger kit you dont have to mash the oil into your filter to get it all soaked in. Just spray the cleaner on, wait a few minutes, wash from inside out, let it dry, and then spray the new oil on it. Either filter is a good choice. And as others have posted an oiled filter will help with keeping water out a little better and is able to be dried out on the trail...
Thanks for the info Rooskey.
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post #15 of 16 (permalink) Old 07-31-2014, 10:43 AM
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Join Date: Aug 2012
Location: Thunder Bay, ON
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I have a k&n for the same reasons lost cause mentioned. I kept the pre filter on and have not seen any dust/dirt behind the filter.


2012 850xp eps
32" Sludgehammers -5"/2" lift -Turner eagles
MSA battles 5+2 - GSE filter - Ranger Gears
RJWC single w/QC and programmer.
HD springs -QSC clutch kit/ EPI HD belt
Heretic Lights -Front diff fix -Cecco frame braces
Jccapri bushings -Swaybar removed.
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post #16 of 16 (permalink) Old 07-31-2014, 10:55 AM
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Location: Erie, PA
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I just put a UNI on mine. Oiled it up and ready to go. Now i just need to ride it

2011 Sportsman 800 EFI
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