K&N drop in filter - Ford Mustang Forum
 
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post #1 of 12 (permalink) Old 03-19-2013 Thread Starter
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K&N drop in filter

Can I use a K&N drop in air filter with the stock tune? Would it effect anything? My OEM filter needs changing and in a couple months I intend to purchase a tuner. I dont want a CAI just the K&N with a tune. Can I use the K&N before getting the tune.

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post #2 of 12 (permalink) Old 03-19-2013
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Absolutely! I've been using one for two years now.

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post #3 of 12 (permalink) Old 03-19-2013
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Unless you're buying a K&N to save money on filter replacements it's a waste. There are no other benefits using a K&N filter besides reusability. Dirt cheap paper filters, around $10 a pop, are all you need with a stock box.


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post #4 of 12 (permalink) Old 03-19-2013
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I agree with NoVAMike. It's a waste of money if you're looking for a couple of extra HP.

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post #5 of 12 (permalink) Old 03-19-2013 Thread Starter
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Its not the extra HP today, but my thoughts were towards the future bama style tune coupled with the K&N rather than wasting $300 on a CAI. I do know that a K&N will flow more air than a paper filter.

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post #6 of 12 (permalink) Old 03-19-2013
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Nope. No one makes a tune for a K&N filter in a stock box. What gets you more HP is changing the dynamics and volume of the air flow. You'd need a new CAI setup for that.

But you don't have to believe me...

http://www.svtperformance.com/forums...lter-test.html

K&N Replacement Filter Test Part 2 : Magnuson Supercharged - SVTPerformance


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post #7 of 12 (permalink) Old 03-19-2013
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I also have a K&N drop in, I didnt buy it for anything other then its reuseability. If you think that you are going to get performance benefits from it save your money.

I dont plan on getting a CAI, so for me it made the most longterm sense over paper filters. I have close to 50,000 miles on my car, and couldn't justify spending $30 every 15,000 miles for a paper filter when for $55-60 I just need to clean and re-oil for the rest of my cars life.

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post #8 of 12 (permalink) Old 03-19-2013
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Quote:
Originally Posted by Brain505 View Post
Its not the extra HP today, but my thoughts were towards the future bama style tune coupled with the K&N rather than wasting $300 on a CAI. I do know that a K&N will flow more air than a paper filter.
That is why so many people incorrectly claim cold air intakes don't work, and if you do it this way it will not gain horsepower and will probably run poorly as well once you tune it for a cai. (You will be fine if you just change the filter and run like that, though you won't gain any power, just the better filter.) The K&N will flow more than paper, but not enough to make any real difference in power. A real intake costs $300 because there is a lot more to it than just putting on a better filter and making the intake look different. The MAF housing, tubing diameters, bend radii, etc on a good cai have all been maximized for best results on the car using flowbench and FEA data.

Not trying to bash on you, just figured I could explain some of the differences to you, but if you do what you suggest above it will not run right, not gain any performance, and not be worth the time and/or cost. If you get a cold air, like the one we offer, you'll gain at least 40hp and the car will run great.

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post #9 of 12 (permalink) Old 03-19-2013
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K&N air filters use oil, make sure it doesn't get into the MAF sensor. I will be changing to the AEF dry filter it is a direct replacement drop in. It has a unique cone shaped bottom. It s about $65.00, google where to buy, they also make an oiled filter, but I prefer the dry.

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Quote:
Originally Posted by racin366 View Post
That is why so many people incorrectly claim cold air intakes don't work, and if you do it this way it will not gain horsepower and will probably run poorly as well once you tune it for a cai. (You will be fine if you just change the filter and run like that, though you won't gain any power, just the better filter.) The K&N will flow more than paper, but not enough to make any real difference in power. A real intake costs $300 because there is a lot more to it than just putting on a better filter and making the intake look different. The MAF housing, tubing diameters, bend radii, etc on a good cai have all been maximized for best results on the car using flowbench and FEA data.

Not trying to bash on you, just figured I could explain some of the differences to you, but if you do what you suggest above it will not run right, not gain any performance, and not be worth the time and/or cost. If you get a cold air, like the one we offer, you'll gain at least 40hp and the car will run great.
40hp with just installing a cold air kit? Ive heard that cold air kits without a tune are a waste of money. To get that 40hp does it require a tune?
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Quote:
Originally Posted by Vintage-Iron View Post
40hp with just installing a cold air kit? Ive heard that cold air kits without a tune are a waste of money. To get that 40hp does it require a tune?
Absolutely...tune required. I wish it were not. You would think these new high tech, over head variable timed cammed cars would just recognize the increase in airflow at the MAF sensor and adjust themselves. But nope they have to be told what to do. I am sure it is way more complicated than that, I'm trying desperately trying to adapt to the new drivetrains, but I'm still a Fox body driveway mechanic at heart.

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I went with an AFE dry drop in. No oil, no mess, no fouling MAF sensors. Cleans with a vacum cleaner. No tune needed. Did it add power...I doubt it...but it didnt lose any...
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