I would like to replace my current K/N (oiled) filter with a dry filter. So let's here some recommendations...

 

I just installed a AEM drop in on my Ecoboost. I couldnt find anyone who had anything bad to say about them. They will also likely be the cheapest option out there as well. I paid $34 shipped. AEM is also owned by K&N.

 

I've been eyeballing the AFE Pro Dry drop in.

http://afepower.com/shop/details_new...icle&make=Ford Truck&model=F-150&year=2011&engine=3.5L&&brandID=59

 

I here Motorcraft is pretty good.

 

+1 You won't get any more air with an after-market filter. And in the case of the K&N, you will just get more dirt, and oil.

 

Agree, I have the whole AFe Pro Dry S system and i'm impressed.

 

aFe flows double of the stock filter while removing contaminates and doesn't contain oil. Hence "pro DRY".

 

I posted a similar question over in exhaust and intakes. I have a 2012 5.0 with a 63 series K&N intake with the oiled filter, and I have been researching dry filters(Something I should have done before I purchased my intake). I read good things about AEM, AFE and also Airaid. AEM uses 1 single layer of synthetic material where as AFE and Airaid use 2 layers of synthetic material. Airaid seems to have the best warranty from what I read and I called all 3 and talked to each. You can return Airaid filters for any reason include 7.95 for shipping and they will send you a replacement. You dont need a reciept, just the Airaid logo visible on return filter. It is called a No Hassle Warranty.AEM will be the most economic purchase, but Airaid also uses stainless steel to wrap their material with and told me if I didnt like it I could return it at any time. So I chose Airaid today and have one on the way. It will be here next mid-week. I think any of these would be great choices. My filter was 53.90 total from summit racing.

 

The stock air filter flows more air than the engine pulls, so this is why you won't get any more air with the after market filters.

 

Amsoil Ea are great, trustworthy filters.

 

Not available for the new air boxes.

 

Yet.

 

Only thing with a stock filter is when it's done you throw it away and buy another 20.00 filter. Where as the dry filter like the aem you just rinse it out and reuse it.. Just more cost effective

 

Exactly why I bought one. One filter change and it paid for itself already.

 

Yes but the aftermarket ones usually flow the air with less resistance so your engine isn't working as hard to pull that "same amount" of air thru. So you are getting better throttle response and IMO more power freed up. Less resistance=air moving quicker=quicker response. Some may argue that it is just seat of the pants feel but I have had 3 fords that were stock and all have had a k&n drop in and then 2 were upgraded to intakes later. My 97 2.3l ranger got better gas mileage and I didn't have to downshift as much to get up hills but noticed no better acceleration. Just on hills I had to downshift from 5th to 4th before, the engine wouldn't drop as far in rpms so I wouldn't have to downshift. My 04 f150 heritage 4.2l got driven for 1.5 years total and driving around the same areas averaged 18.9mpg, with k&n drop in it got 19.9 and a little better acceleration and also not as much downshifting as before, then I put a k&n cold air intake on it and all 3 improved even more. I was getting consistent 22-22.5mpg using the same gas pump every time. My 08 I have now, I didn't keep track of mpgs that much but from what I remember was around 17 combined with stock and k&n drop in. After a few weeks I installed the k&n intake I bought for my 04 and it definitely helped in power and mpgs. My scangauge has showed me between 18 and 19mpgs on my 20 mile drive to work at 70mph and actually hit 23.1 on my way back at 70. It is pretty hilly but nothing too steep except one hill on my way to work I have to go up, it is pretty steep and maybe 1/16 mile long. I can go from 70 and hit 90 no problem in 5th and pressing the gas like halfway. So going up it the other way I have to take in 4th gear and I think I would barely accelerate up it if floored in 4th. But even on longer drives into the city around 60mph, I get home and see an average of between 20 and 21 and that's at 6000ft+ above sea level.

Think about it this way. Get a milkshake and suck it thru your straw.....see how long it takes to get a mouthful?....this is your stock filter. Definitely flows what it needs to but takes harder sucking to get it thru the straw. Now get a bigger straw(higher flow filter) suck just as hard and see how long it takes to get a mouthful. Or better yet try to see how much less suction it takes to fill up your mouth in the time it took you with the normal straw. I bet you won't have to suck as hard. Picture your mouth being the engine having to struggle more to pull the air thru, the straws are your filter and the milkshake is the air.