***K&N Air Filters, Yay or Nay?**** - ATV Forum - All Terrain Vehicle discussion for Honda, Yamaha and more ATVs
 
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post #1 of 7 (permalink) Old 01-07-2013, 10:54 PM Thread Starter
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***K&N Air Filters, Yay or Nay?****

Personally I like them and don't believe the stories of them letting in more dirt. That said many hate them so let the debate begin.

2012 Polaris Sportsman 800
30" Mud Lite XXL's
Dalton Clutch Kit
RDC Rad Relocation
Magnaflow Muffler
K&N Filter
Kimplex Front Bumper
Custom Snorkel
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post #2 of 7 (permalink) Old 01-08-2013, 01:55 AM
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Personally I have heard nothing but bad things. I have heard the oil gets on O2 sensors on cars and messes them up real bad.
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post #3 of 7 (permalink) Old 01-08-2013, 07:58 AM
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i've also heard horrible things about them. one guy said that after running one he could wipe the fine dust outta his throttle body with his finger. it was actually part of a big argument that he was having with a K&N rep on another forum. weather they work or not, don't think i'd ever put one on my machine.

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post #4 of 7 (permalink) Old 06-21-2013, 02:35 PM
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Hard to say, I've heard both arguments. I've had one on my truck for about 5 years now and love being able to clean it every year and not have to buy a new filter. As for letting more dust and debris in, I'm not sure. I could see there being issues if too much oil was on the filter and it affecting sensors. I personally like them, but you have to install and oil them properly. Anyone else a fan? If not, do you stick with oem filter?
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post #5 of 7 (permalink) Old 12-23-2013, 04:12 PM
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Yup......

K&N are high quality units - highly recommended by pros and ammies.
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post #6 of 7 (permalink) Old 12-24-2013, 09:58 AM
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K&N filters

The guys that test on dyno's say they reduce horsepower output on Can Am atv's . That along with the stories of dirt in throttle bodies rules them out for sure!
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post #7 of 7 (permalink) Old 12-24-2013, 03:24 PM
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They seem to do ok in on road applications but when you put them in a hardcore dusty situation, the results are less than inspiring. Plus, on can ams, as Slayer said, they actually reduce power!

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