Which cone filter is better? K&N or Apexi?
Thread Starter
Joined: Apr 2002
Posts: 1,101
From: New Orleans, LA
Which cone filter is better? K&N or Apexi?
My K&N come filter has seen better days and needs to be replaced soon. I remember a while back that their was a psot about Apexi filters, although being more expensive, yielded better hp than the K&N. Is that true? Also, the Apexi filter is a dry filter, meaning it would be better for the MAF sensor? I would like inputs as to which would be the better buy and what vendor would sell them at a good price. Thanks.
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Apexi is better, but as Dasyce said they're more expensive and harder to find. I don't think the difference is that big though, so just go with the K&N. I did tests comparing the K&N vs. a Fram filter and after 5 tests each, using my radar gun up to 60MPH from a 4MPH roll I got an average of .3 seconds faster with the K&N.
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Originally Posted by toyick
wow that is a noticeable diffferance...
Originally Posted by Maxima lover
I decided to go get some proof on weather or not the K&N actually improved acceleration over a generic paper filter. I mounted my radar gun to the dash and grabbed a stopwatch. I went to an industrial road with no traffic that was straight as well as flat. Since I have a 5 speed I didn?t want the results to be affected by my launch, so I got it going in first gear and let it off the gas and let roll on its own at 4 MPH. Then I punched it and started the stopwatch. I stopped it as soon as the radar gun read 60.
I did 3 runs with the K&N that has about 6k on it, then I did 3 runs with the Fram that has about 3K on it, then 2 more with the K&N, and then 2 more with the Fram.
K&N
8.18
8.14
8.10
8.16
8.23
Fram
8.46
8.43
8.40
8.37
8.50
K&N average- 8.16
Fram average- 8.43
I have nothing performance wise done to my car yet. The only thing different from stock about my intake is 1 3" hole in the air box. I tried as hard as I could to make the results as accurate as possible.
I did 3 runs with the K&N that has about 6k on it, then I did 3 runs with the Fram that has about 3K on it, then 2 more with the K&N, and then 2 more with the Fram.
K&N
8.18
8.14
8.10
8.16
8.23
Fram
8.46
8.43
8.40
8.37
8.50
K&N average- 8.16
Fram average- 8.43
I have nothing performance wise done to my car yet. The only thing different from stock about my intake is 1 3" hole in the air box. I tried as hard as I could to make the results as accurate as possible.
There's been a couple posts regarding "which is the best filter" recently. There was an independent test done on a Supra turbo.
Apexi - excellent filtration - most HP although it made only less than 1hp more than the K&N. Remember, the test was done on Supra turbo, so the HP difference on Maxima would most likely be even less.
K&N - good filtration
HKS - This foam filter made the less power than the above filters and offered POOR filtration.
Apexi - excellent filtration - most HP although it made only less than 1hp more than the K&N. Remember, the test was done on Supra turbo, so the HP difference on Maxima would most likely be even less.
K&N - good filtration
HKS - This foam filter made the less power than the above filters and offered POOR filtration.
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Originally Posted by MaxKlinger
Would I be correct to say that the Apexi is an oil-free filter whereas the K&N has an oily element? Would this make Apexi filters less likely to cause problems with the MAF sensor?
Its all subjective... Apexi cost more, are harder to find, and cannot be cleaned. When they are all cruded up, you have to toss them. K&N's are cheaper, you can find them anywhere, they are easy to clean, they WILL NOT harm your Maf if you don't oil the hell out of them. I'd just stick with the K&N myself, but its all personal choice and how many bills you have to spend.
Thread Starter
Joined: Apr 2002
Posts: 1,101
From: New Orleans, LA
Originally Posted by mtrai760
Its all subjective... Apexi cost more, are harder to find, and cannot be cleaned. When they are all cruded up, you have to toss them. K&N's are cheaper, you can find them anywhere, they are easy to clean, they WILL NOT harm your Maf if you don't oil the hell out of them. I'd just stick with the K&N myself, but its all personal choice and how many bills you have to spend.
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I like what i got /apexi:
http://memimage.cardomain.net/member...77_41_full.jpg
i don't think that oil is such a good idea for the intake (k&N)
http://memimage.cardomain.net/member...77_41_full.jpg
i don't think that oil is such a good idea for the intake (k&N)
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Originally Posted by RockfordMax
do they have teh K&N at like autozone or somewhere like that? i need a new filter, i figure why not go cone, and if i dont have to order it thats even better!
Yep. I got mine at Autozone. They also have them at Orielly's and Advanced, although they didn't have the size I needed. They normally only have one of each size, so you might have to check out a couple of stores before you find it.
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