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Unread 05-06-2001, 08:40 PM   #1
Kess
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k&n filters?

would i see improvement if i put a k&n filter in my 1994 grand, with the 4L??

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Unread 05-08-2001, 04:11 AM   #2
RE94ZJ
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Performance gains would be marginal at best with the addition of the K&N alone. Don't expect more than 2-3 RWHP (if that) at the most. However, it is a worthwhile upgrade IMHO. I prefer the drop-in (unitl K&N comes out w/FIPK for the ZJ 4.0). You may also want to try the Turbo City or Rusty's Off- Road intake setup. I used some of the ideas at web page to modify my stock airbox.
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Unread 05-26-2001, 03:43 PM   #3
Fierce ZJ
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True the gains might not be that much but they are gains. There are a few tubes that can be fitted onto the K&N cone such as Rusty's or Turbo City. They claim at least 5hp gain. Either way it sounds a whole lot nicer than the stock intake.
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Unread 10-23-2013, 11:37 AM   #4
BackRoad4X4
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More Air = More Power
The K&N air filters are some of the best you can get from your local parts store. The K&N filter uses cotton instead of paper to filter the air. The cotton filter will let more air pass through faster. The best thing is when the filter gets dirty, you can just take it out and clean it.
k-n.jpg  

Last edited by BackRoad4X4; 10-26-2013 at 01:51 AM..
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Unread 10-23-2013, 11:38 AM   #5
AaronButler
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While more air does = more power. More air also = more dust getting into your engine. which is... the reason you have an air filter in the first place :P
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Unread 10-23-2013, 12:23 PM   #6
lucky04
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When you clean the zj's k&n do you reoil to...all K&n's require oil right?
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Unread 10-23-2013, 12:36 PM   #7
johnt671
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Yes, they need to be oiled after cleaning. K & N sells a kit with the stuff to clean and oil them.
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Unread 10-23-2013, 12:59 PM   #8
Pierre_r
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More air in the engine = more exhaust gasses that needs somewhere to go away fast, and the stock exhaust is not really great at that.
I would think that if you upgrade your exhaustsytmen to something that is less restrictive than stock, you gain more hp than you do from a K&N airfilter.
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Unread 10-23-2013, 07:47 PM   #9
BeDifferent
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I opted to NOT use the K&N or similar Because of this detailed and elaborate experiment done on professional equipment.

http://www.nicoclub.com/archives/kn-vs-oem-filter.html

the bottom line is ; what kind of driving are you doing, what intake & exhaust upgrades have you done, the age of the vehicle, etc.

it is easy to presume a benefit, thats why this exercise they provided is so valuable, it is just plain science fact, no opinions.

dont be mislead by the hype of how much more power you supposedly gain,
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Unread 10-23-2013, 08:49 PM   #10
Hytek
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Quote:
Originally Posted by BackRoad4X4 View Post
More Air = More Power
The K&N air filters are some of the best you can get from your local parts store. The K&N filter uses cotton instead of paper to filter the air. The cotton filter will let more air pass through faster and collects more particles in the air. The best thing is when the filter gets dirty, you can just take it out and clean it.
Congratulations on resurrecting the oldest thread I've ever seen....12 years old! Lmao
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Unread 10-23-2013, 08:58 PM   #11
coltman151
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Quote:
Originally Posted by BeDifferent
I opted to NOT use the K&N or similar Because of this detailed and elaborate experiment done on professional equipment.

http://www.nicoclub.com/archives/kn-vs-oem-filter.html

the bottom line is ; what kind of driving are you doing, what intake & exhaust upgrades have you done, the age of the vehicle, etc.

it is easy to presume a benefit, thats why this exercise they provided is so valuable, it is just plain science fact, no opinions.

dont be mislead by the hype of how much more power you supposedly gain,
This x2. In trail dust and mud, I think that 5hp gain isn't worth it.
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