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2006 Scion xA, 1972 VW Super Beetle, 1971 VW Type 2 (w/ Hightop)
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Discussion Starter #1
I did a small test to compare mileage with a K&N air filter vs. mileage with a factory (KIA) filter. Granted this test isn't scientific since all the factors (gas quality, city/highway driving, wind, etc.) were not identical. But, overall, it was close enough to get an idea.

Mileage (based on 4 refills each)
Factory -- 18.48589
K&N -- 20.17656

So there was an overall improvement of 1.69067 mpg with the K&N air filter in a 2002 Sedona.
 

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I have a K&N air filter in my Spectra. I have got better gas milage with it compared to the factory filter as well. About a mpg better. The next step is to put one in my 05 Sedona.
 

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2004 Kia Optima
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1,980 Posts
I am planning on purchasing the drop in K&N filter.. but now I've noticed that the Injen cone filter is only $10 more. So would that be the better buy? And how hard is it to make/or replace the stock airbox?
 

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2006 Kia Rio
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I have searched the forum for this to no avail...and it may be a silly question...but...
Does putting a drop-in K&N air filter void the warranty?
I ordered one online for my '06 Rio and was curious.
 

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2004 Kia Rio 2011 Kia Sorento LX V6 AWD
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817 Posts
It shouldn't it's a basic wear and tear item.. As long as K&N says their filters meet or exceed factory standards you should be ok.

Dan
 

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2015 Buick Verano "Leather Group", 2015 Kia Optima Hybrid
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Its fine as long as its just a drop in.
 

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So here comes a question, looking online at a couple of autoshops in Australia there is no listing for the Kia Carnival. Which K & N filter fits the KIA carnival in Australia. That mileage improvement is quite significant. What type of driving. Just general around the city?

Ashley
 

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2006 Kia Rio
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Originally posted by mwrobe1@May 2 2006, 08:22 AM
I have searched the forum for this to no avail...and it may be a silly question...but...
Does putting a drop-in K&N air filter void the warranty?
I ordered one online for my '06 Rio and was curious.
Ahem...K&N is still developing an air filter for the 2006 Rio. Found out the airboxes are different from the '05 to '06 the hard way FYI.
 

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2004 Kia Optima
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Well it's official.. I've gone ahead and ordered a K&N Air Filter from Autoanything! Their price is $36.95 with FREE FedEx Ground shipping.. so hopefully by the end of the week I'll have it in my car! *crosses fingers* can't wait! :grin: :grin:
 

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2004 Kia Optima
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kool.. well you should prolly order it from autoanything.. but of course you can wait until I get mine.. but then again.. they have the best price and free shipping.
 

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2004 Kia Optima
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Will do! :57:

I just can't believe that it took me THIS long to finally order one.. I've been putting it off for months because of having NO MONEY! :p
 

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Additional question, will the K&N performance filter add any horsepower at all ive heard from various people who dropped them in their vehicales that theyve seen a small power boost on cars like my rio to huge power gains like on a ford F-350...whats your verdict guys? im trying to squeez as much power as I can without voiding warranty.
 

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2004 Kia Rio 2011 Kia Sorento LX V6 AWD
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The power boost all depends on the stock filter chances are on the dyno you would pick up .5-1 hp at the wheels.. if your lucky.. It's more for the fact you pay 40 bucks for a filter and clean it even 10000 miles and it's good for the life of the car.

Dan
 
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