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K & N filter

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Old Aug 8, 2004 | 06:15 AM
  #1  
Blue Blooded's Avatar
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From: Central New Jersey
Post K & N filter

anyone installed K & N filter in 5.4L? Was the HP gains worth it?
 
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Old Aug 8, 2004 | 06:52 AM
  #2  
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Do a search, and you will find a lot of discusion on the K&N air filter. Personally, the only thing I think they will do is lighten your wallet!!!! Watch out for "independent tests", a
lot of these tests are paid for by K&N.

You can check this URL, it is an independent test!!

http://www.bmwe34.net/E34main/Upgrade/Air_filter.htm
 
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Old Aug 8, 2004 | 10:12 AM
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stygz
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I have a K&N in my car and i did notice a slight increase but nothing to talk about. I look at it as a reusable filter and it should save you money in the long run. I will most likly put one in my truck too.
 
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Old Aug 8, 2004 | 11:36 AM
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I have a question.... On the cold air intakes like Volant and Airaid, do you have to oil the filter?
 
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Old Aug 8, 2004 | 06:12 PM
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asinatra
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Originally Posted by khendrix
I have a question.... On the cold air intakes like Volant and Airaid, do you have to oil the filter?
yes, you do
 
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Old Aug 8, 2004 | 06:26 PM
  #6  
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blitzen25bm
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From: san diego
i got a bmw e34 too. always use good oem filters. the k&n makes your engine sound better but it does let in a bunch of dirt. so your not saving money by increased oil changes and engine damage. i would only get a fipk or something similar if i got a lot of work done on the car and need everything to be super efficient but then it would be a track car and probably wouldn't last too long anyways.

ps the guys who did the testing are pretty smart guys. they make a lot of good products.
 
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Old Aug 8, 2004 | 11:07 PM
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Ive been reading alot about filters, High flow filters, and intakes today... The general consensus on the internet is that they are garbage. They only increase horsepower under certain conditions.
---I alwasy wondered why getting more air into the engine would help it if the engine is not a forced induction engine. From what I have read, it doesnt.
--The same goes with exhaust. If you put you hand behind the tailpipe on a car, there really isnt that much air coming out, even when you rev it up. So why owuld putting a "Free flowing" exhaust on it even help. My personally dont think it will help unless, again, you have a forced induction system that needs the exhaust freed up.
--From what I can gather, all this free flow "hoop-laa" you always read about doesnt apply to the average engine. (Just my personal opinion)
 
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Old Aug 9, 2004 | 04:54 PM
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think I'll stick w/ the stock one thanks
 
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Old Aug 9, 2004 | 05:49 PM
  #9  
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Here's my line of thinking:

Stock Replacement at Autozone: 16.99, replace every 5000
Fram Air Hog: 47.99, never replace


50,000 miles later:

Stock costs: 169.99
Fram: 57.98, includes original filter and cleaning kit



shane
 
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Old Aug 9, 2004 | 06:14 PM
  #10  
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blitzen25bm
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isnt the cleaner and oil about 20 bucks? your going to need a few bottles for 50,000 miles worth of cleanings
 
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Old Aug 9, 2004 | 06:44 PM
  #11  
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txfx4x4
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From: Austin, Texas
Originally Posted by 76fordf100
Here's my line of thinking:

Stock Replacement at Autozone: 16.99, replace every 5000
Fram Air Hog: 47.99, never replace


50,000 miles later:

Stock costs: 169.99
Fram: 57.98, includes original filter and cleaning kit



shane
While I don't plan on replacing my air filter every 5k miles, nor do I know anyone who does, your point is made. My experience is that the OE type filter will last 15-20k miles unless you're consistently driving in dusty conditions. Under that scenario, the equation would be more like this

50,000 miles later:

Stock Costs: 3 x $17 = $51 (the first filter came with the truck)
Fram: 57.98

For purposes of the post, I'll ignore the question of filtering capability.
 
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Old Aug 9, 2004 | 06:45 PM
  #12  
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txfx4x4
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Originally Posted by blitzen25bm
isnt the cleaner and oil about 20 bucks? your going to need a few bottles for 50,000 miles worth of cleanings

FWIW, I saw a cleaning kit for the Air Hog, a similar filter, for $9.xx at my local Walmart.
 
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Old Aug 9, 2004 | 08:15 PM
  #13  
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Dont know much about Fram Air hog..

Is Fram air hog good as K&N???

YOMAN!
 
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Old Aug 9, 2004 | 09:04 PM
  #14  
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I happen to like Green Filters. Same concept as K&N, but cheaper and just as high quality. I have one in my 04 F-150, and while I didn't notice any power gain, I'm sure it can't hurt and it is reusable.
 
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Old Aug 9, 2004 | 09:28 PM
  #15  
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txfx4x4
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From: Austin, Texas
Originally Posted by YOMAN
Dont know much about Fram Air hog..

Is Fram air hog good as K&N???

YOMAN!
They appear to be highly similar designs. You will get lots of different opinions about the effectiveness and supposed benefits of this type of filter.
 
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