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Pros and cons?

This is a discussion on Pros and cons? within the General Help forums, part of the LSx Technical Help Section category; Hey everybody. I have a couple questions about performance airfilters. 1. What are the pros and cons of a K&N ...

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    Member NJ2002WS.6's Avatar
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    Pros and cons?

    Hey everybody. I have a couple questions about performance airfilters.

    1. What are the pros and cons of a K&N air filter?
    2. Does it really make a difference?
    3. Does it add any horsepower?
    4. Does it work better with an air lid?
    5. How often do you have to re-oil it?

    I have searched this forum and couldn't find these answers.

    Please help,

    Thank you!

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    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by NJ2002WS.6 View Post
    Hey everybody. I have a couple questions about performance airfilters.

    1. What are the pros and cons of a K&N air filter?
    2. Does it really make a difference?
    3. Does it add any horsepower?
    4. Does it work better with an air lid?
    5. How often do you have to re-oil it?

    I have searched this forum and couldn't find these answers.

    Please help,

    Thank you!
    2. No real difference
    3. NO!
    4. Not really
    5. The type of conditions you drive in dictate the frequency of oiling. You want to be very cautious of over oiling though.
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    Member kev70ss's Avatar
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    A con would be over oiled filter messes up the MAF and they dont filter as well as a paper

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    Member NJ2002WS.6's Avatar
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    So is it a waste of money?

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    JUISSED Midnight02's Avatar
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    This has been debated for a while and it's tough to get concrete data on this one. If I recall correctly, Vengeance had several dyno runs where the only change was installing the K&N filter and the HP and TQ numbers went down. That being said, many have claims that once the filter has been used for a bit, that it will exhibit gains over the stock paper filter.
    2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back.


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    Member NJ2002WS.6's Avatar
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    Ok. So why do people buy them? I was under the impression that the K&N air filter created more air flow, therefore increasing performance.

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    MOTOR CITY MARO' SSTODD's Avatar
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    Quote Originally Posted by NJ2002WS.6 View Post
    Ok. So why do people buy them? I was under the impression that the K&N air filter created more air flow, therefore increasing performance.
    On certain cars/trucks with certain airboxes it may be a benefit, just never proven on the LS1 camaro/firebird set-up. And the destroying the maf is not worth it IMO.

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    Member NJ2002WS.6's Avatar
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    So in conclusion does everybody believe that it is not worth buying one?

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    NO I have switched from paper to k@n and back can see a diffrence in gas miles and quicker accelleration running kn fillter now with stock air lid just dont over oil the thing

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    Fuzzbuster Jr. fluke's Avatar
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    Mine had a K&N filter in it when I bought it, along with exhaust. So I can't vouch for a difference on my LS1 car for paper vs k&n, but I can tell you when I switched to my Volant I could tell a difference over the k&n + factory air box.

    My 2002 Pontiac Trans Am WS6... ASC# 1244 ... Born on June 23, 2001

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    old timer blue02Z's Avatar
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    i swapped to a k&n after i bought my car. no difference at all. i have tried k&n on all of our vehicles and not a damn difference. not to mention it does not filter as well as they say it does. get a dryflow filter from aem or one from amsoil

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    Quote Originally Posted by NJ2002WS.6 View Post
    So in conclusion does everybody believe that it is not worth buying one?
    Read some of the oil threads also, oil contamination has alot to do with air filter performance and the k/n has not filtered very well and that causes engine wear. I removed mine for a napa gold.

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    Member NJ2002WS.6's Avatar
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    Metallic Pewter
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    Where can you find these other airfilters? I have never heard of them.

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    old timer blue02Z's Avatar
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    aempower.com

    or amsoil.com


    sorry to post non-sponsers

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    Drag racing is a disease! RacerBob's Avatar
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    I saw no difference.
    Drag racing...just another numbers game.

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    Member NJ2002WS.6's Avatar
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    What is a volent? or vortec?

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    Custom CAI is only good on a modified motor with more CFM requirments. Other than that it is a waste.

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    Drag racing is a disease! RacerBob's Avatar
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    Quote Originally Posted by NJ2002WS.6 View Post
    What is a volent? or vortec?
    Vortech = Centrifugal Supercharger

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    Veteran 0rion's Avatar
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    Quote Originally Posted by blue02Z View Post
    aempower.com

    or amsoil.com


    sorry to post non-sponsers
    as long as you don't post direct links to their site you're fine.


    I've ran a K&N on my car for ~8-9 years. Haven't had any problems with it. Did I notice a big gain when I put it in? Nope. I have the bottom of the box cutout so my filter gets cleaned probably 2 times a season. I'm sure it's letting a little more dirt in but if you look at the design of the oil filters I really don't see any way they could flow worse than a paper filter. I would think a paper filter is considerably more restrictive. I have no proof to back that up, that's just personal opinion.
    I clean mine often, don't over oil it, and change my oil well before it needs it really. My MAF gets cleaned each season too. In 8-9 years I haven't had any problems with my system so I have no plans to switch filters anytime soon.

  20. #20
    let the F-Bodies roll jimmybling31's Avatar
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    I have always used K&N. I have never had any problems with them. they have served me well over the year and a half. lol.

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