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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 11-27-2010, 10:42 PM
RamOwner RamOwner is offline
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Default K&N Filter and MPG

I just bought a 2010 Ram 1500 Crew Cab with the HEMI.

Has anyone done any real testing on whether the K&N air filters (not the CAI) have any favorable impact on gas mileage?
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  #2  
Old 11-27-2010, 10:45 PM
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I think you will be lucky to get about .5-1 mpg increase. Seeing as how the actual CAI will get you about 1-2 mpg more.
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  #3  
Old 11-28-2010, 01:05 AM
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I would have to agree with the above statement
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  #4  
Old 11-28-2010, 01:11 AM
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It's definitely not a noticeable change.
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  #5  
Old 11-28-2010, 01:18 AM
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Is there a sound difference? Like when you step on the gas? Also, I've read on here numerous times about having a "dry" filter with the Hemi instead of an oiled one. What's ther reason?
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Old 11-28-2010, 02:53 AM
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Quote:
Originally Posted by 20Laramie11 View Post
Is there a sound difference? Like when you step on the gas? Also, I've read on here numerous times about having a "dry" filter with the Hemi instead of an oiled one. What's ther reason?
A dry filter such as the Powercore filter found on the Volant intake is superior over an oiled filter such as the K&N because the dry filter is getting better airflow. Since the oiled filters are, well, oiled the airflow is restricted slightly.
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Old 11-28-2010, 03:11 AM
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Makes perfect sense. Is there such a thing as a "Powercore" type dry drop in filter? Like if someone doesn't want to go the entire CAI route.
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  #8  
Old 11-28-2010, 03:26 AM
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Quote:
Originally Posted by 20Laramie11 View Post
Makes perfect sense. Is there such a thing as a "Powercore" type dry drop in filter? Like if someone doesn't want to go the entire CAI route.
No, don't think so.
Edit: Actually there is, it's called a OEM replacement filter lol.
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  #9  
Old 11-28-2010, 03:33 AM
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LOL! Touche!
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  #10  
Old 11-28-2010, 07:28 AM
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Quote:
Originally Posted by Juice420 View Post
A dry filter such as the Powercore filter found on the Volant intake is superior over an oiled filter such as the K&N because the dry filter is getting better airflow. Since the oiled filters are, well, oiled the airflow is restricted slightly.
Given equal size and shape filter elements there is little to no difference in CFM Flow between "New" K&N / Powercore Filters. The difference is, as the Powercore wears over time it's ability to filter goes down as the pore size enlarges with wear and the K&N remains the same if cared for properly.
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