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k&n air filtration system


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my dad and i have decided we are gonna take my stock crap as there is splits and crack in the tubing everywhere. but ive been looking around and k&n doesnt make a system specific for my 1989 comanche.

 

Is there one that will work made my k&n or is there another brand that will substitute?

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my dad and i have decided we are gonna take my stock crap as there is splits and crack in the tubing everywhere. but ive been looking around and k&n doesnt make a system specific for my 1989 comanche.

 

Is there one that will work made my k&n or is there another brand that will substitute?

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

No, the problem is that the K&N filter element they sell for the XJ/MJ airbox is 1/4" too short, leaving a gap that allows dust and dirt to bypass the filter. There actually is a K&N element that fits the XJ/MJ 4.0L correctly -- problem is, it's listed for some Dodge vehicle and not for the Jeeps.

 

If you're talking about the air tube/cone filter system that replaces the stock air box, you also have to remember that the K&N system relies on oil to attract dirt to the filter. The filter itself, dry, is not very effective.

 

Having grown up when oil bath air filters were the norm, I think they are a colossal PITA and I want no part of them. The stock air intake system works just fine. We are not running NASCAR race engines that spend all day at 7,500 RPM. You just don't need a freer-flowing intake to loaf down the highway at 2,000 RPM, or crawl rocks at just over idle speed. Save your money for something worthwhile.

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

No, the problem is that the K&N filter element they sell for the XJ/MJ airbox is 1/4" too short, leaving a gap that allows dust and dirt to bypass the filter. There actually is a K&N element that fits the XJ/MJ 4.0L correctly -- problem is, it's listed for some Dodge vehicle and not for the Jeeps.

 

If you're talking about the air tube/cone filter system that replaces the stock air box, you also have to remember that the K&N system relies on oil to attract dirt to the filter. The filter itself, dry, is not very effective.

 

Having grown up when oil bath air filters were the norm, I think they are a colossal PITA and I want no part of them. The stock air intake system works just fine. We are not running NASCAR race engines that spend all day at 7,500 RPM. You just don't need a freer-flowing intake to loaf down the highway at 2,000 RPM, or crawl rocks at just over idle speed. Save your money for something worthwhile.

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

 

I cleaned and oiled it reguarly and had it on the jeep for 2yrs...and noticed it everytime i pulled the filter off and went on NAXJA and read some reviewed and now ill stay away from them...AirRaid is a better filter anyways IMO

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

 

I cleaned and oiled it reguarly and had it on the jeep for 2yrs...and noticed it everytime i pulled the filter off and went on NAXJA and read some reviewed and now ill stay away from them...AirRaid is a better filter anyways IMO

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

 

I cleaned and oiled it reguarly and had it on the jeep for 2yrs...and noticed it everytime i pulled the filter off and went on NAXJA and read some reviewed and now ill stay away from them...AirRaid is a better filter anyways IMO

 

Does AirRaid make a drop in for the stock box? Do other companies make drop-in's as well that flow better?

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don't run a K&N filter period...i had one on my 87 and when i pulled the filter i noticed a crap load of dust inside my intake tube and realized the filter was doing a horrible job...i run an AirRaid and don't have that problem anymore...i won't ever run a K&N again...just my .02

usually with a new filter this is normal. one should clean a filter before it is put in with an airbrush or airfilter cleaner.

if you can find a K&N setup for an XJ (Cherokee) it will work. maybe try some tuner brands or go onto summitracing maybe jegs

 

I cleaned and oiled it reguarly and had it on the jeep for 2yrs...and noticed it everytime i pulled the filter off and went on NAXJA and read some reviewed and now ill stay away from them...AirRaid is a better filter anyways IMO

 

Does AirRaid make a drop in for the stock box? Do other companies make drop-in's as well that flow better?

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AmsOil has a drop in for the stock XJ box not sure if its the same to the MJ and its is Dryflow filter.. no oil needed like the AEM dryflow filters.. I have one,, and its great..

 

XJ and MJ airboxes are the same. How is the flow in comparison to stock, though?

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AmsOil has a drop in for the stock XJ box not sure if its the same to the MJ and its is Dryflow filter.. no oil needed like the AEM dryflow filters.. I have one,, and its great..

 

XJ and MJ airboxes are the same. How is the flow in comparison to stock, though?

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