Intake system vs. drop in - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 07-21-2008
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Intake system vs. drop in

I've heard some talk about intakes not getting what they advertise. So which would seem more logical? The K&N drop in filter or the whole intake: based on bang for your buck.
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Old 07-21-2008
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I have an aem intake and like it alot. Talk to Bob, SN= Takeda
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Old 07-21-2008
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Well the whole intake system is about three times more than just a drop in. You will see little gain just from installing an intake system. If you have other mods like headers and exhaust then the intake will make a decent improvement. I say send the money on a real exhaust system and some headers before you buy the intake.

Oh I'm sure Bob will be all over this thread and say don't buy K&N but I have used K&N in four different cars with no ill effects. Just don't over oil it.
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Old 07-21-2008
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Bang for the buck=Drop in + air box mod.
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Old 07-21-2008
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when you think about it your engine isn't gonna use the extra air efficiently unless you've tuned the ECU or IAC to take in more, that why it would be more beneficial to just get a tuner OR Cat-back exhaust that's my .02
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Old 07-21-2008
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Unless you increase the engine displacement, or go to forced induction, the OEM filter & intake will flow way more air than the engine will pull. The K&N filter will flow way more air than the OEM paper filter (just hold it up to a light source and look at the holes in the filter media), but the air flow is going to be limited by the engine! Chicken wire will flow more air than the K&N!!

The only performance advantage to the K&N drop in, or K&N intake is
WWR (Wallet Weight Reduction)

Interesting information in this thread from TRS:

http://www.therangerstation.com/foru...ad.php?t=21163

Last edited by Takeda; 07-21-2008 at 04:30 PM.
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Old 07-21-2008
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Told ya the intake police would stop by.
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Old 07-21-2008
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you know what would be sweet if someone with a Aftermarket intake and a stock intake did some test the with the scangauge to see which one sucks in colder air. I'd do it if someone let me borrow there aftermarket CAI
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Old 07-21-2008
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you know what would be sweet if someone with a Aftermarket intake and a stock intake did some test the with the scangauge to see which one sucks in colder air. I'd do it if someone let me borrow there aftermarket CAI
Well I had a K&N FIPK but I sold it. I know for a fact that it sucked in hotter air than the stock intake. It had a "shield" on it but it was useless. Here is a pic:


If I do decide to buy another intake for this truck then it will be a Volant or S&B. Those brands have a box around the filter. It keeps hot air and water out unlike the K&N.
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Old 07-21-2008
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When your driving down the road the FIPK is getting the air from the same place as the stock intake so why would it be hotter? When your going 70mph the amount of air that is rushing into the engine bay is alot so why would it suck hot air from the enigine when is being force feed the cold air from the outside?
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Old 07-21-2008
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I have a K&N drop in...love it. Didn't notice a change in performance or milage, but it sure is easier to clean
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Old 07-21-2008
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Originally Posted by Lord Of War View Post
When your driving down the road the FIPK is getting the air from the same place as the stock intake so why would it be hotter? When your going 70mph the amount of air that is rushing into the engine bay is alot so why would it suck hot air from the enigine when is being force feed the cold air from the outside?
Well yes you are right. When you going 70 mph everything is fine. But when you sit in traffic the intake air temps will climb way over the stock intake temps because the filter is unshielded. Also the intake isn't really being force fed the air. If it was a ram air intake then the car would have a dedicated air duct just for the intake.

Also I do not like the K&N FIPK for offroad use. There is nothing protecting the intake from water ingestion. I have problems with the stock intake sucking in a bit of water. I can't imagine the K&N.
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Old 07-21-2008
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I see what you mean by traffic and off road. I guess those are the downfalls of the intake.

If one where to make a large heat sheild for it I think it could help solve those problems.
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Old 07-21-2008
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I have a k+n drop and I did the air box mod. super easy, cheap, and seems to have freed the skinny pedal a bit. Don't waste money on an intake all they do is make noise
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Old 07-21-2008
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I have a K&N air intake and I like I can tell a difference, not a huge huge different but a difference none the less.
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  #16  
Old 07-22-2008
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Drop in all the way! Its about $30, while an intake is about $270... and the difference in horsepower isnt even noticeable.

I say get a drop in and spend the rest on an exhaust.
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Old 07-22-2008
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Air box mod? never heard of it.
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Old 07-22-2008
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All you do is take the lower part of the stock intake box and pull out the "snorkel" that is in the front. And after you take that out you can hack up the front of the box to make the opening bigger if you want.
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Old 07-22-2008
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sounds dumb. just another way to void a warranty
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Old 07-22-2008
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Originally Posted by MaceTheAce05 View Post
sounds dumb. just another way to void a warranty
If your worried about warranty your on the wrong site
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Old 07-22-2008
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If you don't hack up the box you can always slip the silencer back in.

Warranty??? Who has that now a days? LOL. My truck has 108000 miles. Warranty is a long forgotten dream.
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Old 07-22-2008
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If your worried about warranty your on the wrong site

Haha x2


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Originally Posted by fddriver02 View Post
Warranty??? Who has that now a days? LOL. My truck has 108000 miles. Warranty is a long forgotten dream.
Haha funny. I just recieved a call earlier today about my warranty running up or already expired and if I wanted to renew it.
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  #23  
Old 07-22-2008
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one kn overprices there drop in's....and the whole intake system is worth the money if you arent lookin for short term results...i would buy the volant system before the kn intake
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  #24  
Old 07-22-2008
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Originally Posted by MaceTheAce05 View Post
Air box mod? never heard of it.
You remove the snorkel from the airbox, which draws in hot air....defeating the purpose of the OEM CAI.......simply brilliant!
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  #25  
Old 07-22-2008
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I did what the dude wuz tellin us about the 6.0's the other year at Bloom. "Drill 3 one inch holes in your air box and put a drop in filter in. You'll get just as good or better performance and fuel milage doing this than by buying one of my intakes."

Hey if it'll work on a 6.0 then it'll work just as good on a ranger! Only I did four 1/2" holes
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