K&N filter

[DirkG]

I think we can all agree no matter which way you fall on the fence, the cleaner the filter, the better the airflow. Keep it clean, replace the dry or clean/oil often and you'll be better off.

And please for the Love of God don't get a cone air filter that pulls hot air from the middle of the engine bay.....

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[rafaelsmith]

Have you looked at the factory air filter??? I don't know how you would improve on it. Nice spaced deep pleats.

Thanks that was interesting.

 

[Gren71]

That large particle no air flow contamination number for the K&N makes me wonder if there was a problem with the setup of the test setting...its so drastically different than the others that it screams testing error to me. 2,972 vs the next closest of 126.

I also noticed is that the air filters were not placed in the test site the same way. most filters were placed pleats facing up, where the K&N was placed pleats down. Correct me if im wrong but I believe that these filters are meant to be placed pleats down for all vehicle applications.

Another question I have is how often are filters truly introduced to large particle size media? does normal daily driving truly expose a vehicle to large amounts of 5 micron + particle size? I get it that its often enough that vehicles need an air filter, but still makes me curious. Im not being snarky here, just legitimately curious. I rather enjoy learning this sort of stuff.

 

[red/green hawk]

This guy has an accent as to make it seem more believable.

 

[oldhp3]

Thanks that was interesting.

Well have you? I was surprised how deep the pleats are. K&N is for semi performance street cars, not a 3.6 N/A engine.

 

[red/green hawk]

I just put one in. I guess if my engine blows I'll state it right here--you can tell me I told you so.

 

[Gren71]

I just put one in. I guess if my engine blows I'll state it right here--you can tell me I told you so.

Same. Ive had one in for 25k miles...no issues

 

[SwampNut]

I just put one in. I guess if my engine blows I'll state it right here--you can tell me I told you so.

It won't blow. It will just get a lot more wear than normal, and you may prematurely cause a problem with the air sensors. The sensor problems is what my brother (a mechanic) sees most often with the K&N, not blown motors.

 

[red/green hawk]

It won't blow. It will just get a lot more wear than normal, and you may prematurely cause a problem with the air sensors. The sensor problems is what my brother (a mechanic) sees most often with the K&N, not blown motors.

I have no idea but my best guess is that most issues with mass flow sensor is after the first cleaning and re-oiling i.e. not doing it right.

 

[PyrPatriot]

Glad I came across this thread. Only had the KN filter in for under 5k miles. Will go back to OEM

 

[kelkolb]

I'm going to order the afe dry filter. I really just want a washable filter.

 

[rafaelsmith]

Well have you? I was surprised how deep the pleats are. K&N is for semi performance street cars, not a 3.6 N/A engine.

I am using WIX filter.

Nothing has changed my mind that K&N is mostly and literally expensive snake oil. If anything the video showed me just how harmful they can be.

 

[SwampNut]

I used to be a believer. And I think when I was young and messing with two-stroke bikes from the 70s, K&N was useful. Many cars also had provably bad filter boxes and filters. Then I kept believing until I saw the dirt and "goo" in the intake as compared to paper, in more modern cars. And I realized that paper filters got SO much better over the years, while K&N is still exactly the same. I think as old people die off, so will K&N.

 

[Cdemarac]

I had one in my old jeep wj. Doing an oil analysis on it with and later without you could see more contamination in the oil with the k&n. That was enough for me to never use one again

 

[SwampNut]

Oh yeah, Blackstone labs has several papers on how much more dirt is in the oil samples from engines with re-usable filters.

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