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Old 04-21-2012, 05:16 PM   #1
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Default Short Ram vs. Stock Air Intake for best MPG

Been searching for best MPG improvements and some have said that the stock intake will give better MPG compared to most aftermarket, does this seem true?

If so, anyone want to trade my AEM Short Ram for a stock air filer?



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Old 04-21-2012, 05:20 PM   #2
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Default Re: Short Ram vs. Stock Air Intake for best MPG

should be virtually no difference. with a good filter neither one will register any vacuum at WOT. aluminum tube vs plastic tube. same thing more or less.

i did a back to back with an HKS mushroom on a 3" aluminum tube vs a stock tube with a k&n. absolutely near identical 1/4 mile times and vacuum readings
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Old 04-21-2012, 05:39 PM   #3
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Default Re: Short Ram vs. Stock Air Intake for best MPG

i got 3mpg gain with aem sri. the tube doesnt do anything, its the filter. AEM dryflows have a very good balance for filtering/airflow. k&n and similar ones are not as good imo

Last edited by TOO MUCH TORQUE; 04-21-2012 at 07:59 PM.
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Old 04-21-2012, 05:57 PM   #4
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Default Re: Short Ram vs. Stock Air Intake for best MPG

Technically it really depends on the temperature entering the intake. Colder air is more dense and therefore uses more fuel because of that increase of oxygen volume.

Hypermilers are crazy about it: http://ecomodder.com/forum/showthrea...mpg-14440.html
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Old 04-21-2012, 06:07 PM   #5
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Default Re: Short Ram vs. Stock Air Intake for best MPG

Wow, ya, thats too intense for me. Just was more looking if anyone had personal experience like "I used to get 28MPG but now I only get 25..."
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Old 04-22-2012, 09:43 AM   #6
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Default Re: Short Ram vs. Stock Air Intake for best MPG

I might try and get a stock one and see if there is a difference.
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Old 04-22-2012, 05:47 PM   #7
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Default Re: Short Ram vs. Stock Air Intake for best MPG

never knew air filter would effect mpg.. learning something everything.
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Old 04-22-2012, 05:50 PM   #8
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Default Re: Short Ram vs. Stock Air Intake for best MPG

Just get a icebox or ct drop in filter and call it a day... imo
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Old 04-22-2012, 09:35 PM   #9
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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never knew air filter would effect mpg.. learning something everything.
for the most part they don't...unless they are restrictive,

ALL the good filters. aem dry flow, K&N, hks, greddy etc will not be a restriction on an NA 4 cylinder.

a dirty paper filter really can effect mpg though, same with melted cats
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Old 04-22-2012, 09:46 PM   #10
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Default Re: Short Ram vs. Stock Air Intake for best MPG

I personally think if you're worried about gas mileage...keep the car stock. Either one isn't gonna make much if any difference. Making sure you're afr is good will save you more gas than the type of intake
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Old 04-22-2012, 09:56 PM   #11
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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for the most part they don't...unless they are restrictive,

ALL the good filters. aem dry flow, K&N, hks, greddy etc will not be a restriction on an NA 4 cylinder.

a dirty paper filter really can effect mpg though, same with melted cats
k&n was way too free flowing in my opinion. stick it up against a light and you'll see what i mean. i had an injen sri(with k&n filter) and i notice my tailpipe had noticeable traces of carbon or soot after a 10 mile drive. that can't be right and it was consuming more gas, so i ditched that and bought an AEM sri and noticed a 3mpg gain over stock intake and my exhaust tip is super clean.
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Old 05-22-2012, 08:11 PM   #12
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Default Re: Short Ram vs. Stock Air Intake for best MPG

only purpose for an aftermarket intake is to make a car cooler (no pun intended)
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Old 05-24-2012, 07:53 AM   #13
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Default Re: Short Ram vs. Stock Air Intake for best MPG

I got a improvement in my f22 accord of about 2-3mpg. My lexus, I am using the stock box with a k&N filter and I cut up a SRI to use with the stock box. I gained .75 average, but the low end response improved alot. I want to wrap it with heat wrap because it gets a lot of heat soak being above the exhaust.

I think the smoothness of a SRI piping can help with things such as throttle response but the heat soak of metal vs plastic has to be considered as well because the results can me marginal like with my Lex.

Filter is key!!! You could have the baddest intake but ya ain't got jack if your using a crappy filter!!!
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Old 05-24-2012, 10:02 AM   #14
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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Originally Posted by TOO MUCH TORQUE View Post
i got 3mpg gain with aem sri. the tube doesnt do anything, its the filter. AEM dryflows have a very good balance for filtering/airflow. k&n and similar ones are not as good imo
The new aem filters are actually made by k&n...........
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Old 05-24-2012, 01:11 PM   #15
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Default Re: Short Ram vs. Stock Air Intake for best MPG

lol the differences are so minuscule it doesn't matter, if you're going for an intake it's all sound really, you're not gonna have noticeable gains so for me I just went with the SRI cause it's cheaper
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Old 05-25-2012, 08:14 PM   #16
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Default Re: Short Ram vs. Stock Air Intake for best MPG

neither is better for mpg. if you want BETTER mpg, get a header, new cat and exhaust system. if you want even more, low boost it.
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Old 05-26-2012, 01:55 AM   #17
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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neither is better for mpg. if you want BETTER mpg, get a header, new cat and exhaust system. if you want even more, low boost it.
arguable.
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Old 07-27-2012, 04:25 AM   #18
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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The new aem filters are actually made by k&n...........
I'm pretty sure they stopped using K&N filters a few years ago.
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Old 07-27-2012, 04:57 AM   #19
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Default Re: Short Ram vs. Stock Air Intake for best MPG

I'm averaging 34 mpg recently (summer) in 50/50 driving with 10 mile trips. I have the OEM air box with a K&N filter and custom tube that replaced the air intake resonator. This tube pulls cool air from the fender like the OEM ITR intake system.

For MPG, it seems that you would want to run warmer intake air, but not to the point of preignition.
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Old 07-27-2012, 05:41 AM   #20
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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I'm averaging 34 mpg recently (summer) in 50/50 driving with 10 mile trips. I have the OEM air box with a K&N filter and custom tube that replaced the air intake resonator. This tube pulls cool air from the fender like the OEM ITR intake system.

For MPG, it seems that you would want to run warmer intake air, but not to the point of preignition.
That's some beautiful mileage.
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Old 07-27-2012, 10:58 AM   #21
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Default Re: Short Ram vs. Stock Air Intake for best MPG

Quote:
Originally Posted by Dogginator View Post
I'm averaging 34 mpg recently (summer) in 50/50 driving with 10 mile trips. I have the OEM air box with a K&N filter and custom tube that replaced the air intake resonator. This tube pulls cool air from the fender like the OEM ITR intake system.

For MPG, it seems that you would want to run warmer intake air, but not to the point of preignition.
My gsr in my 94 civic vx averages 34.5 mpg (2.5" egay cai w/ K&N filter,skunk2 pro im, Hytech rep header, 60 mm exhaust, no tune) and that is with me enjoying every second of driving. I am curious what I would get if I was to baby it the whole tank.
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Old 07-27-2012, 11:06 AM   #22
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Default Re: Short Ram vs. Stock Air Intake for best MPG

Try it and find out. I never have enough discipline.
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Old 07-27-2012, 11:12 AM   #23
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Default Re: Short Ram vs. Stock Air Intake for best MPG

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Try it and find out. I never have enough discipline.



That's my problem since it is my weekend warrior. I may start out easy on it but it is too hard to not enjoy driving
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Old 07-27-2012, 09:08 PM   #24
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Default Re: Short Ram vs. Stock Air Intake for best MPG

pretty simple stuff; more (denser) air = more fuel, as commanded by the ecm through o2 sensor readings. which equates to more power but lesser fuel mileage.
you want better mileage on your stock ls? try advancing ignition timing 2 or 3 degrees. you'll get a bit more power freed up and actually gain mpg. free of charge
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Old 07-29-2012, 05:12 PM   #25
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Default Re: Short Ram vs. Stock Air Intake for best MPG

i got an intake jus for looks aha
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