K&N vs. Green Filter

[ZEN357]

So I have been running K&N air filter for years without even thinking about it. A couple days ago a friend recommended a new filter called Green Filter air filters. So I want everyone opinions on it. Below are the links to K&N Filters and Green Filters. Let me know your thoughts and opinions.

https://www.knfilters.com/default.aspx

Green Filter

 

[SID297]

I haven't used a Green Filter, but of all the ones I have used Airaid is still my pick. I'll have to look into Green Filter more in the future.

 

[BigPoppa]

Honestly, the quality looks very good. I may consider them to replace my K&Ns on the turbo car.

As for air boxes that have factory sized air filters, I just stick with paper.

 

[CobraBob]

I've heard of them but never used one. Definitely worth trying after I browsed their site and product line.

Here's their filter for the '03-'04 Cobra

 

[IronSnake]

Paper filters flow better after the initial dusting of dirt that happens to all filters.

 

[mc01svt]

K&N filters "suck" at filtering...

 

[AustinSN]

Hugely popular mod for the ecoboost guys.

I personally went for the cobb though, it was blue and I believe made by the same company. Seemed fine.

 

[blk02edge]

Got one in our ST, I would be hard pressed to believe its better than K&N or worse. Do the same thing

 

[SID297]

The biggest difference I’ve noted from most filter brands has been the rubber quality. Some of the lesser ones will start to deteriorate in a hot engine bay.


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[Kevins89notch]

Seems a lot of the Fiesta ST guys get the green one. I've been meaning to, but have been lazy.

 

[03cobra#694]

Would these be good for my 2.7 150?

 

[52merc]

Red, blue, green, what difference does it really make? If you go to places like Detroit Diesel or Cummins, all the engines in their test cells use cotton/wire/oil air filters. I've run many a mile with K&Ns and never had an engine problem.

 

[LightningLou]

I just switched to the AEM dryflows myself. Made by K&N, but don’t require oil, so they are MAF friendly and the filter media looks much improved. Been running one on the Focus ST and Lightning for a few months now. I have heard a lot of people complain about the Green filters falling apart, or disintegrating after less than a year or so which is why I went with the AEM. So far no complaints here.

 

[vortecd]

The Green filters are made differently, they are woven. I have one on my Daytona

 

[GodStang]

K&N to me is the Flowmaster of Air filters. Were great 20 years ago but people still proudly post their stickers everywhere and when they list their mods it is at the top...

I am a S&B fan myself.

 

[mld54]

I ran a green filter and had a problem. Where the ends of the pleated filter material were put together it came apart. They used a strip of very soft aluminum to crimp the ends together. Nothing came off the filter, the ends of the material came out of the folded aluminum holding it together. I replaced it with a K&N.

 

[SID297]

Red, blue, green, what difference does it really make? If you go to places like Detroit Diesel or Cummins, all the engines in their test cells use cotton/wire/oil air filters. I've run many a mile with K&Ns and never had an engine problem.

The only issue I've seen with oiled filters is in very dusty environments. In that situation you really want something like a Donaldson filter.

 

[kevinatfms]

AEM dry flow in my Colorado.
K&N in my Fiesta ST.
K&N in my wife's Edge Sport.

Had K&N's on the following cars also:
Elantra, Lightning, Typhoon, Explorer, another Explorer and a Grand Cherokee.

The K&N's always fit great and last the life of the vehicle.

 

[Brutal Metal]

S&B Powerstack here too.

 

[black99lightnin]

I changed from the airaid that came on my ctsv kit to the green replacement. It is larger than what came with the kit and a major pita to install. I didn’t notice any performance difference


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