K&N vs aFe pro

[Abe09]

I’m trying to get a drop in air filter but I find it hard to decide which one is better, I’ve heard the aFe is pretty track focused and has better flow but also there’s barely any reviews for the s650 most people go for K&N. I’m looking for a good one but also I want a bit more turbo noise, I know I won’t get much with just a drop in but any increase would be lovely as well as performance wise. Any idea which one should I go for or experiences with them?

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[Wiley Marmot]

I've used more K & Ns than anything else over the decades. Of course; decades ago OEM filters were no wheres near as good as they are nowadays.

Air flow vs filtration. What ever you get; you want something that flows and filters as good or better than stock. Where do you get reliable/truthful filtration and flow numbers? We all wish we knew!

Don't believe marketing department claims of HP and TQ, or filtration and flow!

Dry or oiled? I've always had oiled; never had a problem with them (e.g. oil fouling of inlet tract sensors, etc), but my current filters are the dry type.

Good luck with whatever you go with.

 

[24GTBadlands]

I've used more K & Ns than anything else over the decades. Of course; decades ago OEM filters were no wheres near as good as they are nowadays.

Air flow vs filtration. What ever you get; you want something that flows and filters as good or better than stock. Where do you get reliable/truthful filtration and flow numbers? We all wish we knew!

Don't believe marketing department claims of HP and TQ, or filtration and flow!

Dry or oiled? I've always had oiled; never had a problem with them (e.g. oil fouling of inlet tract sensors, etc), but my current filters are the dry type.

Good luck with whatever you go with.

Whats kind of sad, is back in the day K&N used to supply charts that atleast gave the illusion that it increased power, I just checked Mustang V8 and Bronco V6 and theres none of that. They atleast still have the washable filters for both, but without the old comparisons, I'm more curious about the OEM types being comparable to the money being spent.

Back in the 90's and 2000's they were definitely better than stock.

 

[Alan Applegate]

I certainly agree about the advertised HP and Trq. ratings offered, including K&N. When I up the ante on my 2019 Ranger, the difference between a stock filter setup, one with a K&N (dry), and a Roush CAI (dry) was in the fluff of dyno readings. The MagnaFlow exhaust difference was about 5 HP.

As for dry vs. wet... Late-model Mustangs all use hot wire air flow metering, and because of that, I wouldn't use a wet filter.

 

[DarkHorsePremium]

K&N prioritizes air flow. AFe prioritizes filtration. If AFe makes a Pro Dry S filter for your vehicle I'd go for that. If you want to mess with the oiling I'd still go with the AFe. Just don't over oil and keep it clean.

 

[Alan Applegate]

There are a number of YouTube videos comparing several different types and brands. A simple search will net you all of them.

 

[Charger68]

There's a reason the K&N flows better, and it's because it lets more dirt through. It's believed a dirty K&N filter filters better. Oiling it is a PITA. I would go AFE Blue.

 

[tastetickles]

AFE definitely, K&N is not bad in terms of product but their choice of improving flow is having less layers. Bankspower actually uses K&N as their filter media provider for the Jeep products but Banks requested them be 7 layers instead of the normal 3 to 4 layers K&N sold them at. As for oil vs dry, the difference isn't much but oiled filters flows better a the cost of maintenance vs environment. Banks and AFE posted their oiled vs dry comparison in terms of CFM and maintenance intervals. And to help with oiling the filter, Bankspower actually have a calculator app that helps you calculate how much filter oil is needed for surface area coverage.

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