K&N Air Filter on Diesel Engines

**niky** · September 29th, 2007 03:40 PM

Luma na yun.

In most filtration tests, K&N comes out at the top or near the top for aftermarket filters. It's still not as clean as a stock paper filter, but it flows so much better, it's worth the price.

**boy astig** · September 30th, 2007 01:07 AM

Originally Posted by niky

Luma na yun.

In most filtration tests, K&N comes out at the top or near the top for aftermarket filters. It's still not as clean as a stock paper filter, but it flows so much better, it's worth the price.

It comes out as second best among three filters tested (APEXI, K&N and SIMOTA). I dont remember the exact thread title but I remember reading it in the workshop section.

I'm using a cone filter my ride (not K&N) and have noticed improvements in acceleration, torque and fuel efficiency. The gains are noticeable (along with the increased engine noise) in city driving but are best appreciated in long driving especially the ones that involve steep uphill drives.

I'll be switching to K&N when the oil change comes around. Never mind the filter charging. I appreciate my hands getting dirty anyway

**rion** · September 30th, 2007 04:36 AM

Originally Posted by niky

Luma na yun.

In most filtration tests, K&N comes out at the top or near the top for aftermarket filters. It's still not as clean as a stock paper filter, but it flows so much better, it's worth the price.

yes. I got that link from a very old thread here.

the link mbeige posted had a K&N user and had his personal test, that K&N doesn't filter dirt as much as stock paper. but all of the racing filters gives almost equal gains.

btw, where do you guys buy K&N? may store ba dito that covers a lot of models?

**mbeige** · September 30th, 2007 05:44 AM

But in order for you to get the most out of the cold air intake you should route it to the front. The ones I saw here in the pics posted are just inhaling hot air, which is less dense, and so you get less oxygen per volume.

**baludoy** · October 1st, 2007 04:45 PM

my brother is planning to put one on his frontier. would there be any difficulties in the installation?

**niky** · October 1st, 2007 05:04 PM

Most accessory stores that carry K&N carry them in a variety of sizes. Finding one that will fit your ride takes some luck, searching, and experimenting. ;)

**dyipi** · October 1st, 2007 05:59 PM

any difference when using simota instead of k&n? laki kasi ng price difference. salamat po.

**falken** · October 1st, 2007 06:03 PM

* rion, I bought my k & n filter at Pony's sa tapat ng Ali Mall, there's also a lot of models on display at Han's Tools in Edsa Shang.

**rion** · October 2nd, 2007 04:54 AM

*falken: ok salamat po.

*Dyipi: I think Simota is Japan/Korea made and K&N is U.S made...

posts from a old thread here: http://tsikot.yehey.com/forums/showthread.php?t=5684

Originally Posted by GlennSter

buy the knn...yes it is more expensive...but sobrang tibay and talagang nakakafilter siya ng dumi..not like simota...malakas nga ang pasok ng hangin like the knn...but the filtering abilities suck.

Originally Posted by Karding

I agree. Dyan na lang nagkakatalo ang mga filters. Hindi lang sa performance gain (if any at all), kundi sa filtration capabilities.

K&N siempre...

Originally Posted by IGNITED

Hey bro don't use simota, a bit of a tuner myself and based on facts simota filter has low filtrating capabilities unlike Kn'N or Apexi filter etc. that would lead to dust going thru ur throttle chamber. You will also notice that Kn'N filters are "oiled" na (thats y it's redish in color), that oil helps trap dirt and dust from entering thru it.

Originally Posted by niky

Simotas can lead to pretty dirty engines. Not a big issue if you follow a frequent oil change program, but it gets irritating losing power after awhile, as Simotas often lose flow over time... much quicker, in my experience, than other aftermarket filters.

I'm pretty happy with K&N... flow doesn't degrade as badly as my old Simotas did (I had them on my Sentra before)... and it's very free-flowing. I guess the only way I could get better air-flow is by using the steel-mesh filter, but that doesn't keep anything out. Looks damn cool, though... (still have one at home...

)

**2Dmax** · October 2nd, 2007 07:22 AM

i considered purchasing drop-in type K&N Filter but changed my mind for the reason that it can't filter dirt the way stock filter does..

siguro mas ok if safari snorkel na lang: cool air intake and flood fording ability. but the price hits the 20k php mark. also, sa nissan terrano lang available ung smooth-end snorkel without that large mouth thingy.. :P .. OT