Here’s my back to back testing using the Torque Pro App:

Great write-up and review. I have a few questions if you don't mind.

Q) Why did you choose the oiled blue filter over the dry white one?

Q) Not familiar with the Torque Pro app but where did the dyno figures come from?

Q) From the picture above (Torque Pro app) which set of variables go with the stock air box and the aFe Intake system?

Thanks
Michael Plummer

 

Michael,

Here's some answers for you - and I'm glad you enjoyed the writeup!

Great write-up and review. I have a few questions if you don't mind.

Q) Why did you choose the oiled blue filter over the dry white one?

I've had great experience with the oiled filters in the past, and have used them in many different applications. In this scenario, I wanted to compare the differences between the two media styles, and chose the blue one first because - well, it was prettier. I'm going to switch over to the dry one at the next service interval.

Blue = high flow, for the street

White = better filtration, street and dirt

Here's more info on the different filter media available:

http://afepower.com/technology_detail.php?tech_id=5

Q) Not familiar with the Torque Pro app but where did the dyno figures come from?

It's an Android paid app that's used in conjunction with the OBD2 Bluetooth dongle.

Here's the app - $5, and worth it:

https://play.google.com/store/apps/details?id=org.prowl.torque&hl=en

The Dongle:

http://www.amazon.com/Professional-Diagnostic-Bluetooth-Interface-Scanner/dp/B00EQ57BE8

I paid $20 for it a few years back - now it's less than $10.

Ignore the dyno numbers - that's based on vehicle weight and the acceleration rate. I did not scale the vehicle - just entered in an estimated weight of 4,600 lbs.

Q) From the picture above (Torque Pro app) which set of variables go with the stock air box and the aFe Intake system?

The top number half is with the aFe, the bottom is with the OEM air box.

These numbers are with 33" tires and a 2.5" lift.

 

Thanks for the links. I found them to be useful and I'm sure others will too. And I like how aFe has dedicated filters for their CAI, a very nice touch. I ordered a hand-held Tuner from Diablosport, so I'm going to wait to see what features are available before purchasing something else.

Thanks
Michael Plummer

 

That looks pretty sweet! With the filter all contained in the aFe box, how does it sound compared to the stock box? Great photos of the install!

 

Thanks! Hope the photos show how smooth the install went.

With regards to sound, came out about nearly the same as the OEM, maybe 10% louder during WOT. The intake eliminated the intake resonator box, and provided a straight shot from the throttle body to the filter.

I also liked the way it used the factory intake locations, pulling in air from outside the engine bay.

If you are looking for something louder, the Magnum Force Stage II has an open filter element, which will likely allow you to hear more of the induction sound:

Cold Air Intake System Stage-2 Magnum FORCE Intake System; Stage 2 Pro 5R; Jeep Grand Cherokee; 11-15 V8-5.7L HEMI 54-12242 - aFe Power

 

I guess that system as shown at last photo, with open design, might be better as it utilizes stock air duct to deliver air under the filter, but not directly on filter. Coming air could bring dust, sand, mud water and snow directly to the filter.


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The Magnum flows better, as it's an open element design.

With regards to incoming air, it would be rather difficult to get mud, water, and snow into the airbox short of burying the vehicle.

At that point, you've probably ruined the interior. :lol:

 

Just check the stock filter box and ask yourself why there are no strait way of air into the box and what for they did the drain hole at the bottom.
Your never drove, even by chance into puddles of rain water ?
And, of course, if you are located in south states you shouldn't care about driving home when sudden snowstorm happens. Never saw air filters plumbed with the snow ?
I am not negative to the first design but some times some whether and road conditions could happen, you know..


Sent from my iPhone using JeepGarage

 

I just noticed that there's no weep hole like in the factory location. That's a good point.

With regards to an open vs closed intake - there are obviously pros and cons. The OEMs can only design to a 95% of the driving situations, because it will get cost prohibitive.

Based on your personal needs, desires, road conditions, etc, you get to decide what aftermarket part, in this case, an intake, best suits your needs.

This review is to simply provide additional photos, an editorial, and some objective measurements of the Momentum intake.

I'm glad it make it easier for you, based on your needs, to steer your decision towards the Magnum intake - which should make your Jeep sound pretty burly!

 

Looking at getting your intake, are you still happy with it? Just curious if you had increase in mpg? My truck is stock, just looking for a little more pep and maybe gaining 1-2 mpg's. I think it's the best looking intake on the market.

 

Great wright up and photos, thanks for that!

How much difference in performance do you "feel" and have you done anything else to you engine?

 

That's a tough question. My SOTP (seat of the pants) dynamometer is pretty sensitive - so between confirming with some times runs and having fun on a closed road course, it sure feels a bit faster.

Remember - 10 hp gains on a 5,000 lb vehicle to those less sensitive may be a wash.

 

Don't expect power from a intake.
I am surprised to hear the sound only increased by 10%, I guess I am glad I went with the Volant since it sounds great.

 

That seems like an odd thing to say - are you saying that the only reason you added an intake is to make it sound cool?

If you look at the aFe airbox, it's a enclosed system, similar to the OEM one, less the resonator box just ahead of the TB.

 

Here’s my back to back testing using the Torque Pro App:

The top number half is with the aFe, the bottom is with the OEM air box.

My reading comprehension is usually pretty good... but I have to ask;
The OME intake was quicker to 60mph by over 6 tenths of a second compared to the AFe intake?
But the AFe was quicker in the 1/4 by a tenth and a half?
If that is the case, that AFe provides amazing "passing power" (nearly a second faster from 60mph to ~93mph, that is something you would absolutly feel), but poor TQ...
Since for me, I don't have any 2 lane roads where I need to pass quickly to be safe, I'll stick with the greater off idle punch.

 

That's generally the case with any aftermarket, high flow intake. You lose a bit of the velocity generated from a longer, more restrictive intake that generates better swirl for low RPM performance, and gain it back in the high RPM.


That was a very astute observation! :thumbsup:

 

^^^Yup need a tune to avoid this

 

This is more so the physical attribute of the components.

More difficult (if not impossible) to tune out.

 

We have several of these coming back in stock and have them on sale if anyone is interested. One of our customers has it on his Durango RT and loves it.

 

Old thread bump but I went with the aFe Momentum GT as well.

I can attest it helped a BUNCH with towing my track car (~5500lbs load). It has a lot more power in the higher RPM range which really helps and it actually improved mileage by ~ 1L/100km which is close to 1mpg.

 

Old thread bump but I went with the aFe Momentum GT as well...

Looks good in there.

 

Hello Jeep Fam, I'm selling the Jeep, and the intake is for sale!

$300 and I will need to an OEM intake in exchange