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KN filters??

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Old Jun 11, 2014 | 09:25 AM
  #1  
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Default KN filters??

I've used KN filters in my cars for at least 12 years. Always assuming an advantage?? Recently I've seen/heard that just changing the standard filter is just as effective?? On my 07 6.0 L I use it for just track days and under a couple hundred miles a year. Here is the facts:

paper replacement $9 to $16
KN washable $97
KN with duct $390

Is the washable/or duct unit really worth it??

Has anyone other than KN actually dynoed for everyday benifit???

OR just use a new filter every year??????

THANKS for all inputs
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Old Jun 11, 2014 | 09:34 AM
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If you are going to replace the whole unit go with a Halltech. Proven track results and power. It's only a bit more expensive.
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Old Jun 11, 2014 | 10:01 AM
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I have a vararam, and ive had no problems at all.
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Old Jun 11, 2014 | 11:17 AM
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Stock LS3/Z06 - best filtration - not CAI
K&N - worst filtration - not CAI
Vararam - best power - true CAI - needs paper filter
??? - worst power - not CAI

Dyno results vary widely, since the car is not moving. The best way to accurately measure power differences of air inlet systems is at the dragstrip.

For the track time and minor highway/street driving you do, the paper filter you currently use is probably best.
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Old Jun 12, 2014 | 09:36 PM
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Originally Posted by Bradleyfr92
I have a vararam, and ive had no problems at all.
Did your vararam work as well as you hoped..ive been thinking about one for a while and just wondered.
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Old Jun 12, 2014 | 10:24 PM
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Ive been very pleased with it. Mpg and horsepower/torque have gone up a few. I can tell it breathes alot better. But i also have headers/3inch catless xpipe and borla atak catback.
And halfway through a cam swap (doing it myself)
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Old Jun 12, 2014 | 10:39 PM
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Originally Posted by Bradleyfr92
Ive been very pleased with it. Mpg and horsepower/torque have gone up a few. I can tell it breathes alot better. But i also have headers/3inch catless xpipe and borla atak catback.
And halfway through a cam swap (doing it myself)
A few HP here and a few HP there, it all adds up
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Old Jun 13, 2014 | 07:32 PM
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Supercharger then gt2 wide body kit after the cam, and my cars set!! Vroom vroom
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