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K&N Air Filter MPG loss

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Old 08-01-2013, 11:16 AM
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Originally Posted by TaylarsJK
I figured that it would show better MPG since my original filter was pretty used, but instead I lost about .7 MPG. Anyone else experience this?
You're probably driving it harder enjoying all that extra Horsepower that the K&N unleashes!
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Old 08-01-2013, 11:17 AM
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Seriously though. Did you notice ANY difference in the throttle response OFF idle or anywhere else ?
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Old 08-01-2013, 11:42 AM
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Originally Posted by ronjenx
The computer on mine is about 1mpg high, but it's consistent. So I can rely on it to show a drop or increase over a few tankfulls.
Same here. It's been consistent since I got my ProCal about 5 months ago and it suddenly dropped as soon as I put the filter in, that's why it seems the filter is the problem.
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Old 08-01-2013, 12:19 PM
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Originally Posted by Labrat0116
Seriously though. Did you notice ANY difference in the throttle response OFF idle or anywhere else ?
Not really. Nothing significant enough to realize a difference
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Old 08-01-2013, 01:46 PM
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Got a gain I about .3 with mine installed. No increase in power or anything. Just wanted to replace it. Although I would argue which was better stock vs. k&n.
k&n is known to have a not so good rep with filtration.
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