K&N air filter, is it worth it?

[Retirednavy2010]

I've had K&N filters on most of my vehicles and they seem to help to a degree... I was thinking about getting one for my Ranger but was wondering if anyone's bought one and has it increased the mileage at all?

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[Rp930]

They are ok for moving air but they are terrible filters. Save your money. Many here have given them away. Any mileage gains would be negligible.

 

[My12SecRanger]

I have a free one if you want to try it out

 

[got3fords]

I have a free one if you want to try it out

And when that one gets dirty, you can throw it away and put the free one from me in.

 

[Grumpaw]

Only good one is the cabin filter. Got one from MY23Ranger and saves me around 20 bucks everytime I clean it, instead of replacing.
Would never use one for an engine air filter....nope.....nada.....never.....

 

[dtech]

I bought one for my house, which I sold a year later so it was a waste.

 

[Retirednavy2010]

I have a free one if you want to try it out

Did you use it? If so did it make a difference? Where are you located i.e west coast, south east etc.? I'm in Jacksonville Florida.

 

[My12SecRanger]

I am in Las Vegas

 

[RangerTX]

I have been using one for 75k miles. I have always used them in my trucks. I clean them periodically. More air the better. Does it improve mileage... Dunno... hard to say as I am usually doing more than one thing to improve mileage and I didnt do a proper before/after with the k/n on the Ranger. At some point in the far past, I did a before and after and it made a difference. I have been using them ever since. I will say, I notice a difference in the drive/response when I drop them in. Could be my imagination... I know that kind of thing can be subjective.

 

[Jason B]

Many people have ruined the MAF sensor by over oiling the K&N. If that's still a thing, just don't.

 

[shovonmshahriar]

And when that one gets dirty, you can throw it away and put the free one from me in.

And then once that one gets dirty, I got you next one.

 

[Retirednavy2010]

I have been using one for 75k miles. I have always used them in my trucks. I clean them periodically. More air the better. Does it improve mileage... Dunno... hard to say as I am usually doing more than one thing to improve mileage and I didnt do a proper before/after with the k/n on the Ranger. At some point in the far past, I did a before and after and it made a difference. I have been using them ever since. I will say, I notice a difference in the drive/response when I drop them in. Could be my imagination... I know that kind of thing can be subjective.

I've usually felt a difference in performance (or a perceived difference) and in my Tacoma and Frontier V-6's I got maybe a .5 mpg gain in city and 1 mpg on the highway. Just wondering if a turbo engine will respond accordingly (my first turbo anything)
Thanks

 

[LawnMM]

AEM makes a dry version, I think it's a little cheaper too, if we're talking replacements for the paper and not the full on cone intake.

 

[Stevedbvik1]

I've usually felt a difference in performance (or a perceived difference) and in my Tacoma and Frontier V-6's I got maybe a .5 mpg gain in city and 1 mpg on the highway. Just wondering if a turbo engine will respond accordingly (my first turbo anything)
Thanks

I wouldn’t put an oil bath ( K&N) on anything with a turbo. UNLESS you’re going to meticulously and perfectly maintain the K&N filter. My opinion comes from a 15+ year career experience in the turbocharger service industry. Many turbo thrust bearing failures and gunked up compressor wheels and charge air coolers from poorly maintained K&N systems. Our vehicle repair shop made it a policy to not install them. I recommend the AEM dry filter.

 

[airline tech]

Many people have ruined the MAF sensor by over oiling the K&N. If that's still a thing, just don't.

Our Rangers do not have a MAF sensor- only a MAPT

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