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Old 01-03-2012, 03:47 PM
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intake question

I bought my truck with a complete k&n intake system and I want to replace the filter as ive heard bad things about them, my question is can I use the napa filter with the k&n intake elbow?
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Old 01-03-2012, 03:54 PM
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the napa filter has a 4" inlet, i'm pretty sure the k&n is a 4" tube
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Old 01-03-2012, 04:00 PM
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I think it is a 4" tube, so I should be good?
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Old 01-03-2012, 04:01 PM
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Yes you can. That was the set up I was running up until a week ago.
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Old 01-03-2012, 04:05 PM
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ok thanks, thats what ill do then
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Old 01-12-2012, 06:12 AM
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part #6637 at napa is what i run with just a 4" elbo
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Old 01-12-2012, 06:39 AM
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There is nothing wrong with the K/N filters on there kits. Its not an issue with the filter on there drop in's. Its the way it seals or for a better word, does not seal to the factory box.
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Old 01-12-2012, 01:08 PM
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Seems most folks would disagree with you about the K&N. They don't filter small particles as well as the 6637 filter does.
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Old 01-12-2012, 06:54 PM
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Quote:
Originally Posted by ttyR2 View Post
Seems most folks would disagree with you about the K&N. They don't filter small particles as well as the 6637 filter does.

Then they are uninformed and mistaken.
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Old 01-13-2012, 11:21 AM
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those nape 6637 are trash i had for two weeks and the hole intake was full of dust i check everything and ran other two weeks samething i put on my afe no more dust my brother runs the k&n on everything never an issue
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