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Today we want to present you a performance air intake for 2015-2018 Ford Focus 1.0L Ecoboost. If you're in search of the perfect option our new AEM Aluminum Gunmetal Gray Cold Air Intake System is definitely worth your attention. This simple bolt-on intake delivers cooler air to the engine, which results in better throttle response, and performance improvement. Every AEM air intake system comes with innovative, oil-free, high-flow AEM Dryflow air filter. Each Dryflow filter is engineered to exceed the normal flow capacities while providing outstanding filtration and dust holding capacity.

AEM® - Aluminum Gunmetal Gray Cold Air Intake System with Red Filter







Features:

- Includes: Air Intake, 4 Stainless Steel Worm Gear Clamps, 2 Couplers
- Material: Aluminum
- HP Gain: Up to 4.4 hp
- Replacement Filter: 21-2011DK
- Delivers more oxygen to the combustion chamber by drawing in cooler air
- Custom designed and engineered to deliver maximum power for each specific vehicle
- Every system includes the innovative, oil-free, high-flow AEM Dryflow™ air filter
- Dyno-tuned air intake pipe constructed of mandrel-bent 6061 aluminum for smooth airflow
- Comes complete with all necessary mounting hardware and comprehensive installation instructions.

AEM™ | Air Induction & Performance Electronics – CARiD.com



Squeeze more power out of your engine with AEM Aluminum Gunmetal Gray Cold Air Intake System!​
 

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I respectfully disagree. These type of dry, synthetic filters have been shown to filter smaller particles, hold more dirt and flow more air when dirty compared to paper and oiled gauze filters. Less dirt making it to the engine will result in less wear and maintain more horsepower and torque through out the life of the engine. And cooler, denser air allows a higher fuel mix for more power. Up to 4.4 more hp sounds reasonable to me. And most people think the engine sounds better.
I agree that an efficient filter is important in reducing engine wear. Certainly oiled gauze filters are to be avoided.
The standard Ford air filter is very efficient and the air inlet on the Focus 1.0L is already "CAI".

If looks and a different sound are important, then okay, shell out for it.
 

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I also disagree... while the name of these air intake systems IMHO should no longer be called CAI, but it is now an industry standard name, the gains are at the limits of the safe high end engine speed or what we all call red line. So from a standpoint of unobstructed CFM comparing stock @ the maximum peaked HP and TQ levels from a DYNO a few may prove to be better then stock.
However........for a none drag raced engine or one that is used in Road racing you may not see anything different except extended millage between cleaning the filter. Which IMHO no one should wait that long to change or clean a filter anyway!
As for oil type filter is anyone is suggesting K&N they are still waiting for those other filter companies claiming to be better to step forward and have them tested independently.
I use K&N filter for decades, have built hundreds of stock and performance engines,and never once had any indication (by several way of examination including oil analysis)of containment's in the cylinders or oil caused from properly using K&N filters.
K&N generally gets bad reviews from people who either never used them correctly or passed along less then accurate or empirical information on social media about them.
All of my vehicle including motorcycles, cars, trucks, air compressor etc. all use K&N filters.
Always READ the use instruction!!
 

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Mr. AMSOIL thanks for the link for the filter testing. Besides showing the relative capture capability of various brand filters, I am surprised that it shows that there is almost no correlation between filter efficiency and price paid.

In fact, some of the least expensive filters have excellent performance.

As far as the advertised AEM product, the filter that is included in the kit is probably very good but the rest of the contraption is a waste of $345.
 

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K&N Engineering.

There are few areas more confusing than identifying dirt retention requirements when it comes to air filters. Most vehicle owner's manuals remain silent on the point. In fact, few air filter manufacturers publish any information as to the filtration efficiency of their filters. This stands in marked contrast to oil and fuel filters where there is a relatively large amount of information regarding filtration requirements and capabilities. Studies have shown most engine wear is caused by particles 10 to 20 microns in size. K&N air filters, like most quality disposable air filters, provide excellent filtration of these particles.
To ensure our air filters provide a high level of dirt protection, we regularly test our air filter designs using the testing procedure described above. Those tests demonstrate K&N air filters generally achieve overall filtration efficiency in the range of 96% - 99%. The fact that our air filters at times reach overall filtration efficiencies as high as 99% while maintaining high airflow is a testament to the quality and capabilities of our oil impregnated cotton air filter medium.
On occasion we see "new" air filter media's developed and sold under the premise they provide increased levels of dirt filtration. More often than not, as opposed to quoting specific efficiency numbers, this "increased protection" is described as increased dirt retention capacity, meaning the filter can hold more dirt before requiring replacement. Remember, K&N air filters have always provided a service life in excess of disposable filters and then only require cleaning and oiling for re-use.
We encourage customers to do their homework and be aware of the filtration capabilities of an air filter before they buy. Our own testing has revealed wide differences in filtering capabilities. We were surprised to see some disposable paper air filters with an overall filtration efficiency as low as 93%. We hope we have provided enough information to ensure consumers know what they are getting when they buy a K&N air filter.
I would be more than happy to provide you with all the available facts. Please click the link below for more information.
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https://www.knfilters.com/filter_facts.htm
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If you have any further questions, please reply to this email or call our Customer Support Team at 1-800-858-3333.
 

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M3RacerX, I am confused by your post (#10 in this topic). Are you quoting a K&N spokesperson or are speaking in the first person? Are you a K&N employee?
 

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M3RacerX, I am confused by your post (#10 in this topic). Are you quoting a K&N spokesperson or are speaking in the first person? Are you a K&N employee?
Well I can see that you are not reading the responses completely and only picking out things in a response that you want!
Go re-read from the beginning of this thread again to get your answer! :rolledeyes:
Also I noticed that you are ye another that makes sensational information without ever even shown to have had a cold air intake or modified air intake system or component and run first a baseline Chassis DYNO run and then with a component with duplicated delta set to compare results. But you are good to say things dont or may not work :laugh:
 

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Well I can see that you are not reading the responses completely and only picking out things in a response that you want!
Go re-read from the beginning of this thread again to get your answer! :rolledeyes:
Also I noticed that you are ye another that makes sensational information without ever even shown to have had a cold air intake or modified air intake system or component and run first a baseline Chassis DYNO run and then with a component with duplicated delta set to compare results. But you are good to say things dont or may not work :laugh:

Having reviewed from the beginning of this thread, I see that the only objective evidence that was presented is the link provided by Mr AMSOIL. All the rest is unsupported opinions in support of K&N.

M3RacerX's positive feelings about K&N air filters does not mean they are superior.

Seems that M3RacerX, having joined earlier this year and having already posted 750 times in this forum may see himself to be an expert in many aspects of automotive technology.

I would give him credit for his knowledge and experience if only there was less pontificating, posts with a more pleasant tone, and more objective content in the posts.

On the positive side, glad that someone is keeping this dying forum alive.
 

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I would give him credit for his knowledge and experience if only there was less pontificating, posts with a more pleasant tone, and more objective content in the posts.

On the positive side, glad that someone is keeping this dying forum alive.
I kinda like this member..he got honest attitude no bullshit from this guy!
:laugh:
Its almost funny when I read this considering....
The purchase of my 2018 MAZDA was on royalties of performance products I engineer and designed :laugh:
The Mazda 3 was only suppose to be a DD and not a project. But like any true car NUT I got the bug to make it better. :grin2:
You know I am this way in person, I dont hide like so many behind a key board.
PM and I will gladly give members I feel are not absolute ass O, my phone number and address.
This is not my first forum and will not be my last. If I sell my MAZDA I will move on. :laugh:
 

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OK - Truce - Let's avoid wasting our time on analyzing the personal merits of forum members.


Focusing back to the original topic - this CAI kit for a 1.0L Focus.

Even at full turbo boost at redline of this 1.0L engine, the airflow requirements of the engine are very modest (less than 210SCFM). This is easily handled by the stock filter and enclosure. So IMHO, the $345 would best be spent elsewhere (I am not a Focus owner/fanatic, so not sure what that would be).
 

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I pulled the records of the last 3 years and more than 275+ Chassis DYNO pulls performed that we did and not one was a ford 1.0 focus. So with that said I have nothing to submit that has any merit or data . I don't guess on what thing may do I test and then review the results.
I can say that most don't understand the full dynamic of air flow and fixate on the CFM rates and not the many other factors. This is also that same on forums when talking about exhaust systems. :wink2:
 

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I found this interesting info from the first link. "Notes:
This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME. more details on - https://www.carid.com/aem/aluminum-gunmetal-gray-cold-air-intake-system-with-red-filter-mpn-21-850c.html" What is that about? Emissions? Noise? More air intake = more fuel = more emissions?
In the past, the restrictive wording would have limited usage to "off-road use only".
Now even that (legal) usage is eliminated.

I you watch the AEM videos, one of them mentions that they provide a CARB exemption sticker to be positioned so that emissions testing personnel can see it. That seems to be in conflict with the warning though.

Maybe you CA state guys have an idea about that.
 

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I found this interesting info from the first link. "Notes:
This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME. more details on - https://www.carid.com/aem/aluminum-gunmetal-gray-cold-air-intake-system-with-red-filter-mpn-21-850c.html" What is that about? Emissions? Noise? More air intake = more fuel = more emissions?
I have this on many of my products since about 1995. Worded a little different but basically the same mostly because of California emission regulations. This and what most do not realize is that it could be a felony to operate any vehicle that came factory with a CAT and removing that CAT and driving on a Federal Park or reservation. So I covered that as well in the product disclaimer. :nerd:
 

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In the past, the restrictive wording would have limited usage to "off-road use only".
Now even that (legal) usage is eliminated.

I you watch the AEM videos, one of them mentions that they provide a CARB exemption sticker to be positioned so that emissions testing personnel can see it. That seems to be in conflict with the warning though.

Maybe you CA state guys have an idea about that.
The old term For OFF ROAD USE only " no longer is clear mostly because of Federal vehicle regulation on Federal lands like some parks and reservations. and could get someone into a wasp nest! :nerd: That is why the exception information is longer and more detailed.

For me when I emission Test a vehicle if they have anything that is not within the guidelines even a simple universal hose that is not an OEM I may fail the test under the regulation guidelines. If they have aftermarket equipment and there are no CARB certification decals I ask the owner if they have it. If not I will as a courtesy (attitude of customer is considered) to look up the regulation information from the BAR and CARB guide. I will look up the manufacture and see the parts list and see if everything is there.

I personally do not stick the CARB stickers all over my engine but do have them filed in a folder and kept with other important information related to that specific car of mine. In fact I recently wrapped an intake tube and removed the CARB sticker damaging it. So I contacted the manufacture and they sent me a new one. It was K&N rolmao!!

20181214_115358.jpg
 
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