Does an AFE filter improve fuel mileage? - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 07-07-2011, 03:12 PM Thread Starter
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Does an AFE filter improve fuel mileage?

I understand that K&N (which i've always had in my trucks) doesn't make a filter for the '11 6.7L. Does anyone have any experience with the AFE filters? I am OK with the stock torque and HP - it's really only fuel efficiency I am looking for. Do the AFE filters affect mileage on these trucks? I am currently averaging around 20 MPG. Thanks!

jim
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post #2 of 11 Old 07-08-2011, 08:43 AM
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i just put the AFE in Tuesday. not much difference noticed yet, but it idles smoother and spools up a bit quicker. no mileage difference yet, but not enough driving with it either.
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post #3 of 11 Old 07-11-2011, 10:42 AM
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Would like to hear some mileage feed back, I am thinking of doing the drop in AFE also. Don't want to change too much with the truck still under warranty and all.

2011 F250 6.7 4x4 CC Lariat

6" 4-link BDS
22" Fuel Hostage
37" Toyo MT
H&S BLACK MAXX,
5" MBRP straight pipe
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Truck pics ---->http://www.powerstroke.org/forum/6-7...o-37-m-ts.html
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post #4 of 11 Old 07-14-2011, 07:46 AM
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almost a week in, mileage seems a little better. ususally i get 13.8 aroud town, now 14.7 same driving - mostly around town, little highway. so far worth the 65 bucks.
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post #5 of 11 Old 07-14-2011, 08:09 AM Thread Starter
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Quote:
Originally Posted by pborgia View Post
almost a week in, mileage seems a little better. ususally i get 13.8 aroud town, now 14.7 same driving - mostly around town, little highway. so far worth the 65 bucks.
14 MPG?! i am usually getting 18.5 -19 MPG. what gives?
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post #6 of 11 Old 07-14-2011, 08:30 AM
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i only have 3700 miles on the clock. not driving enough, short drive to work. i would love 18 around town.
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post #7 of 11 Old 07-20-2011, 05:35 PM
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Quote:
Originally Posted by fakie99 View Post
14 MPG?! i am usually getting 18.5 -19 MPG. what gives?
He's talking about In town,Not on the Highway

Your not getting 19 in town Stop trying to Fakie us out
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post #8 of 11 Old 07-20-2011, 06:14 PM
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Sounds good so far, I'm ordering one.

2011 F250 6.7 4x4 CC Lariat

6" 4-link BDS
22" Fuel Hostage
37" Toyo MT
H&S BLACK MAXX,
5" MBRP straight pipe
AMP Steps
Truck pics ---->http://www.powerstroke.org/forum/6-7...o-37-m-ts.html
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post #9 of 11 Old 07-20-2011, 07:08 PM
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I've got the aFe stage 2. All I noticed is more turbo noise. I run steady highway and have noticed zero mileage difference

Current Rig: 2011 F-350 CCSB Lariat chrome FX4 Tuxedo Black.
Mods: aFe stage II, 8000k HID. 6" 4link Skyjacker Lift, 37" Toyos Wrapped around 20x9 XD MisFit Rims, H&S Minimaxx, 5" FloPro straight pipe
Traded: 2006 F-350 CCSB Amarillo Edition
Mods: 6" BDS 4-Link Lift Kit, 4" MBRP Cool Duals Exhaust, AFE Intake, Edge CTS Evo, 37x13.5x20 Toyo MT wrapped around XD Spy 20x9 Rims

UA Local 488 Steamfitter/Pipefitter
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post #10 of 11 Old 07-21-2011, 11:42 AM
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I Think better Throttle responce would be enough reason for me to buy one,i'm a performance junkie...Better throttle responce would be enough :~) better sound would just be icecream.....
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