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So I had to move my factory intake to change my headlight the other week. As I was doing so, I noticed that it draws air from the grill. Hmmm. I already have a cold air intake.
 

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^^ +2
 

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Eh. If you're looking for performance, it'll help. Just by itself, it won't do anything other than relieve throttle pressure. With a tune, it'll help push out some power.



Essentially a stock airbox is really quiet and there are tons of channels and walls inside them to muffle the sound and that creates a lot of pressure inside the box. Putting a straight tube which is typically any aftermarket will remove that pressure and help improve the flow of air. However, a tune will help the ECU accommodate that change and take full advantage of it.


The funny part is your air intake temperature will never be below the ambient temperature. If it's 75 degrees outside, your intake will never take in any air colder than that because there isn't any colder air to be found in your local atmosphere. A "cold air" intake really just keeps the intake temps closer to ambient than a stock box. A stock box could have temps 10-15 degrees above ambient and never get closer to the ambient temperature. An aftermarket can bring those down much closer to ambient so you're getting "colder" air. My Mustang and Taurus both are typically 3-5 degrees above ambient while driving.
 

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Discussion Starter #7
Eh. If you're looking for performance, it'll help. Just by itself, it won't do anything other than relieve throttle pressure. With a tune, it'll help push out some power.



Essentially a stock airbox is really quiet and there are tons of channels and walls inside them to muffle the sound and that creates a lot of pressure inside the box. Putting a straight tube which is typically any aftermarket will remove that pressure and help improve the flow of air. However, a tune will help the ECU accommodate that change and take full advantage of it.


The funny part is your air intake temperature will never be below the ambient temperature. If it's 75 degrees outside, your intake will never take in any air colder than that because there isn't any colder air to be found in your local atmosphere. A "cold air" intake really just keeps the intake temps closer to ambient than a stock box. A stock box could have temps 10-15 degrees above ambient and never get closer to the ambient temperature. An aftermarket can bring those down much closer to ambient so you're getting "colder" air. My Mustang and Taurus both are typically 3-5 degrees above ambient while driving.
Makes a lot of sense, and I was thinking along the same lines; needing a tune done to get the full bennies of the intake. I'm a big fan of modifications that eventually pay for themselves so I'm still considering it, but it seems rather pointless to just get the intake by itself.
 

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I know a lot of people think K&N does wonders for their performance. Maybe it does. But that comes with a trade off of poor filtering.

These tests were specific to some filters for GM trucks and SUVs, but I'd bet that the results are similar to all of the companies lines.

Air Filter Comparison Study - GM Truck Central
 

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Did a lot of research after posting this thread, and I've come to the same conclusion; the tradeoff for any performance increase comes and the cost of filtration. I'll take a look at the link, thanks bud.
 

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Although there is a lot of good marketing bumph out there, a lot of it is just that. If its outright performance you're after, your first step should not be a performance air filter / induction kit and instead you should focus on either losing some weight from the car or getting a remap. Or both! With an induction kit although it won't make you faster, you will get a louder/better noise as you can really hear the engine breathe, which is of course desirable for a lot of people..

My advice is just keep your paper filter regularly changed and don't worry about a high flow filter. If you want to fit one for the noise and you're after performance then make sure you don't leave the cone air filter exposed and instead fit a fully shielded induction kit to ensure that the air that goes in is as cold as possible.

If you don't shield it then you will get more airflow at high speed, but off the line it can actually be a bit slower down to heat soak, the engine heating up the air under the bonnet, which is then sucked in by the filter when you start moving. That is not cleared until you've been driving for a few seconds, so initially your car will actually make a bit less power if your intake is not shielded correctly. You don't want this!
 

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I have one and I think the sound is incredible.
That being said, I haven't noticed any performance gains (didn't expect to until I get a tune) and I get maybe .2 MPG better going at highway speeds.

If anything I get worse mileage in the city right now because the sound just sounds so good to give it a little more pull :rolleyes2:
 

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I dyno the 13 Taurus stock when i got it in 15 and got 282hp, first thing i did k&n filter, got 290hp, next magna flow exhaust 303hp, my next step is some sort of tune should put me well over 350. As far as that study they are talking about, you have to have all of the facts for the filters, K&N filters surpass the two standards that only matter 99 to 100 percent (can never be perfect) of the time which is acceptable for all aftermarket parts for air filtration. ISO-5011 and SAE J-726 are the only test that actually matter when it comes to if the air is clean enough for the motor under your hood.
 

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Starting arounding 3600 to 5000 for k&n, and 1500 to 4000 for magnaflow exhaust, k&n loosened up the response and sound of car. Exhaust, gave the car more off the line grunt. I just want to see if they were a waste or did something. I am totally happy, and many people are shocked as I go by them.
 

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Packing house for a move been looking and cannot locate my info, probably in storage, i remember the curve was still straight and with a even rise over the base for both. Torque 7 ftbls for both mostly in the low range. I just love cruising now, windows down, stereo down, car in sport and the way i go.
 

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You'll pardon me if I keep a tub of salt on hand.
 

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On a daily driver type car, i wouldn't bother. The gains aren't worth it. If you like the appearance of it, go right ahead. A drop in K&N filter into the stock airbox would be cheaper and probably give you the same result.
 

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Had a freind with a 15 limited put just filter in and end up replacing it with complete cold air intake. Big difference he said, as I said anything to help a 2 ton monster, as far as my dyno, yes in storage, however looking into tune made by a tunner that specialzing in mustangs and fords.. so sometime this summer between 35 and 100 hp depending on octane, intake, exhaust, throttle body adjustment, ect. Will have new dyno then.
 
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