AFE Intake question??? - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 04-17-2009, 07:02 PM Thread Starter
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AFE Intake question???

Hey guys I got a quick question and after doing some searches on the board I have yet to find an answer so I figured I would try and see if anybody could help me out. I had an AFE stage II with the Pro Guard 7 intake on my 07 Cummins and LOVED that thing. So I am pretty set on getting an AFE for the 6.0. However I have really been searching around and I am lost as to what is the differance between all the AFE's. I have found Stage 2 type Si, type XP, type CX. What is the differance with all of these? Also do you recommend I stay with the Pro Guard 7 filter? Any help would be greatly appreciated cause id like to spend my money wisely on one and as of right now I dont know which one is the better choice and why.

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post #2 of 14 Old 04-17-2009, 07:07 PM
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i got a 2001 ford powerstroke 2wd and i am planning on getting a 6inch lift and i was wondering wat size mud tires would look good with it

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post #3 of 14 Old 04-17-2009, 07:10 PM
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Originally Posted by edwards View Post
i got a 2001 ford powerstroke 2wd and i am planning on getting a 6inch lift and i was wondering wat size mud tires would look good with it
ummm instead of hijacking this guys thread, you should start a new one, in the correct forums and ask your question there, thanks!!


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post #4 of 14 Old 04-17-2009, 07:13 PM
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ummm instead of hijacking this guys thread, you should start a new one, in the correct forums and ask your question there, thanks!!

agreed, what the hell and i also want to know the difference

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post #5 of 14 Old 04-17-2009, 07:56 PM
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AGREED!!! Don't hijack anothers thred!!! That is not cool at all!!! I have looked at the AFE's back when I had a gasser and I think all of the different specs are mostly for confusion, but also have something to do with the filters. I would recomend going with a true CAI if you are going to spend the money, but under 500 hp it is not nessesary to change out the stock system. The main benifit is more turbo noise. You will do just as well performance wise by doing the ZOODAD mod, quick, simple, easy and best of all, if you have a Dremel it's practically free.

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post #6 of 14 Old 04-18-2009, 03:56 AM
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but under 500 hp it is not nessesary to change out the stock system.
You actually have to go well over 500hp in order to get any benefit of the extra air flow from an a/m intake. A/M intakes don't flow more full until you hit about 3700 on the tach, peak hp is at 3300 and peak tq is at 2000. You are well outside the rpm range to get any benefit from an intake with a relatively stock truck(that includes trucks with tuners and exhaust). Now most a/m intake companies focus on the fact that the filters do flow more air and they do, but the problem is when do the flow more air. As far as the 6.0, it's not usuable air intil you raise the rpm range of the truck, usually thru injectors and turbos.

I wouldn't waste the money, just because you loved an a/m intake on one truck doesn't mean that it's a good one for the truck that you have now. Most gas owners I know love the K&N intake and that is actually the worst one for the 6.0, so just because they are good for one doesn't mean they are good for another. I could come up with tuner(the device) examples for that as well.

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post #7 of 14 Old 04-18-2009, 05:49 AM
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Originally Posted by tex25025 View Post
You actually have to go well over 500hp in order to get any benefit of the extra air flow from an a/m intake. A/M intakes don't flow more full until you hit about 3700 on the tach, peak hp is at 3300 and peak tq is at 2000. You are well outside the rpm range to get any benefit from an intake with a relatively stock truck(that includes trucks with tuners and exhaust). Now most a/m intake companies focus on the fact that the filters do flow more air and they do, but the problem is when do the flow more air. As far as the 6.0, it's not usuable air intil you raise the rpm range of the truck, usually thru injectors and turbos.

I wouldn't waste the money, just because you loved an a/m intake on one truck doesn't mean that it's a good one for the truck that you have now. Most gas owners I know love the K&N intake and that is actually the worst one for the 6.0, so just because they are good for one doesn't mean they are good for another. I could come up with tuner(the device) examples for that as well.
Very well put

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post #8 of 14 Old 04-18-2009, 06:10 AM
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I have the AFE stage 2 with the 7 layer filter and I love it. I can hear it suck in air, and before I had a programmer I felt a performance gain with just my intake and exhaust. Also, every time I go to clean it, it seems like it's always in great shape, and perfectly clean on the inside. I was recommended it was the best system, although somewhat pricey at $450.
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post #9 of 14 Old 04-18-2009, 07:31 PM
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srry about that one of my friends got on here and did that

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post #10 of 14 Old 04-19-2009, 03:06 PM
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the AFE models Si,XP,CX are open (pop the hood and the filters there) or closed (covered filter). and one has what looks like a tray for a battery.

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