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Old 06-04-2008, 10:02 AM
 
Location: Pleasant Shade Tn
2,214 posts, read 5,577,950 times
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We have put one of these permanant air filters in our car and have done that with every vehicle since my first honda civic. We get an extra five miles per gallon out due to this little change. Costs under 40.00
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Old 06-04-2008, 10:13 AM
 
Location: WA
5,641 posts, read 24,948,076 times
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I have had many different filters and while there is nothing wrong with a K&N I would say your estimate of fuel savings is very exaggerated.
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Old 06-04-2008, 10:24 AM
 
692 posts, read 3,141,616 times
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The problem with most air filters is ,

They are not kept clean......ie. changed regularly

Try taking in half breaths for a while and you'll get the message.

Silverfox
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Old 06-04-2008, 10:27 AM
 
Location: Pleasant Shade Tn
2,214 posts, read 5,577,950 times
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Quote:
Originally Posted by cdelena View Post
I have had many different filters and while there is nothing wrong with a K&N I would say your estimate of fuel savings is very exaggerated.

nope. I've clocked it with every vehicle. With my honda civics, we got six miles extra per gallon. With my nissan quest, it was four. With my Mercury Villager, also four. With my Honda Odyssey, it was six. With my 1998 Toyota Sienna (my current vehicle), five. I would not purchase it with each vehicle if it weren't for this savings.
Evidently, the cars just run cleaner, using it.

However, even if you were only extending it by one mile per gallon, the thing pays for itself right away.
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Old 06-04-2008, 10:52 AM
 
692 posts, read 3,141,616 times
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Quote:
Originally Posted by alicenavada View Post
nope. I've clocked it with every vehicle. With my honda civics, we got six miles extra per gallon. With my nissan quest, it was four. With my Mercury Villager, also four. With my Honda Odyssey, it was six. With my 1998 Toyota Sienna (my current vehicle), five. I would not purchase it with each vehicle if it weren't for this savings.
Evidently, the cars just run cleaner, using it.

However, even if you were only extending it by one mile per gallon, the thing pays for itself right away.
What is your schedule for washing these out and what procedure do you use?
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Old 06-04-2008, 10:54 AM
 
Location: Texas
38,859 posts, read 25,527,092 times
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A 5 mpg increase just from an air filter change sounds wildly optimistic. Well, unless the air filter it replaced was almost completely plugged up.
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Old 06-04-2008, 11:36 AM
 
Location: Southern Arizona
9,601 posts, read 31,690,674 times
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Quote:
Originally Posted by alicenavada View Post
We have put one of these permanant air filters in our car and have done that with every vehicle since my first honda civic. We get an extra five miles per gallon out due to this little change. Costs under 40.00
Impressive improvement, Alicenavada

K & N's are great but it sounds like your old air filter was super dirty so ANY new filter would have helped.

Another simple way to improve gas mileage is to check Tire Pressure on a regular basis.
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Old 06-04-2008, 11:37 AM
 
Location: appleton, wi
1,357 posts, read 5,865,038 times
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I've used K&N's in many cars myself, and I don't believe that for a second, unless the car was wildly out of tune beforehand with an inch of dust atop the old filter.
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Old 06-04-2008, 11:59 AM
 
Location: Lived Large in Parsippany NJ - Lived Larger in Livingston, NJ -- Now Living Huge in Bethlehem PA
466 posts, read 2,199,838 times
Reputation: 448
How did you calculate these figures and did you have a scan gauge II or some other trip computer in place cuz an extra five miles per gallon just on an air filter is not accurate unless some other mods were done as well.

Reason am asking is I have a Weapon R CAI on a Mazda 3 and I dont even get close to five miles per gallon after that mod so am just a lil curious.

===========

Quote:
Originally Posted by alicenavada View Post
We have put one of these permanant air filters in our car and have done that with every vehicle since my first honda civic. We get an extra five miles per gallon out due to this little change. Costs under 40.00
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Old 06-04-2008, 12:26 PM
 
Location: Pleasant Shade Tn
2,214 posts, read 5,577,950 times
Reputation: 561
Just by checking the mileage on the odometer after filling up. I don't know if it makes a difference, but I rarely use my air even in the summertime.

Anyway, I think all the skepticism is funny because what the heck reason would I lie?
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