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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 05-03-2014, 05:34 PM
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SteelTownStang SteelTownStang is offline
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Default aFe CAI SUCKS...

... a lot of air! I recently purchased an advance FLOW engineering (aFe) Cold Air Intake (CAI) for my ’14 Sport. I know that the OEM set-up is pretty efficient, and I wasn’t expecting any performance gains, but this system does yield some noticeable improvement in throttle response and low-end torque. The truck actually feels a little lighter. The most obvious difference with this kit as compared to the OEM CAI is the increased revving volume under the hood. While the exhaust note is only slightly throatier, the engine bay screams at WOT. The sound at Idle and normal acceleration is only marginally louder.

Decision: I had initially considered the S&B closed unit (P/N #75-5064), but was leaning towards an open filter design based upon past positive experiences with similar CAIs- specifically JLT, Airaid, and C&L. I ultimately found that aFe offered the best performance for the price. The decision was made even easier when I contacted S&B Support Representative, Karl Levy, who informed that their CAI will not properly fit the ’14 Ram due to the repositioned AC lines. He did, however, state that their design crew was working on a revision (P/N #75-5078) that is expected to be released sometime in June, 2014.

Performance: aFe claims 18 “max” hp and 23 tq that outflows the OEM set-up by 27%. As mentioned, I wasn’t really expecting any gains, especially without a tuner (next on the list), but even if I’m getting half of their published gains, then I’m satisfied. It’s definitely sucking more air!

Design: I’ve had good luck with the open-filter CAI on other vehicles, and actually prefer them regardless of whether they are not really a “cold air” intake as heated air is also collected from within the engine bay. Not sure why aFe went with the power-coated aluminum tube, as this material has a propensity to heat-soak more than plastic or carbon fiber, but 3.5” tube is well made and aesthetically pleasing. The heat shield, clamps, couplers, hardware, and filter (discussed next) are also of high quality.

Filter: It’s obvious that most of aFe’s R&D was focused on this feature. While I have never been too concerned about the possibility of oiled-type filters leaching goo into the TB/intake, I still prefer the oil-less filters. aFe offers a 5.5” oiled-type Pro 5R- blue media kit (P/N #54-12402) and the non-oiled type Pro DryS- gray media kit (P/N #51-12402), which I purchased. aFe claims that both filters have CMF flow rates of 250 as compared to the OEM’s rate of 196. I’m sure that there is some variance between the two, but this is what aFe is reporting. Also, both filter types can be cleaned and reused.

Installation: I installed the kit in about 25 minutes. Some have experienced issues connecting the heat shield to the OEM lower air box, but I was able to easily snap it into place. It goes on like a hinged lid. Angle the shield under/outside the air box toward the engine and lower it inside the inter channel/groove, and then clip it into position. The CAI tube adds additional support to secure the unit firmly in place. The supplied instructions are very good and there are also a few youtube videos that can help. I did notice one discrepancy in the instructions- maybe it’s only applicable for ‘14s, but the OEM temperature sensor should not be pulled from the OEM housing. You have to twist it a half turn and it comes right out. Don’t muscle it out, or you could damage it.

Negatives: While the aforementioned topics where positive, I’d be remised not to mention the CAI’s shortcomings. While they are few, the first is the 5/8” rubber crank case vent line/tubing. It’s definitely not as refined as its OEM counterpart, but functional… I hope. Most of the tubing it situated under the engine cover and kinking, or collapsing, may become an issue. The second concern is the retrofitted temperature sensor grommet. It simply doesn’t appear to be very secure. As with most aftermarket items that have to incorporate OEM parts for functionality, these types of issues exist and are common, particular with CAIs, i.e., MAF sensors, ventilation, etc. I will closely monitor both and update if necessary. Lastly, the heat shield was clearly not designed for the Ram Sport Performance Hood. I will elaborate further in another post below with pics.

Conclusion: I recommend this CAI for its overall quality and filtering properties. As already discussed, I did notice a slight gain in performance, particularly on the lower end, with a better throttle response and improved sound. I have not observed any change in mileage, albeit not a contributing factor when making the purchase. If you’re seeking quantifiable improvements, then invest in something other than a CAI. Could money be better spent elsewhere? Probably, but that can be said with most anything… So far so good- and with no CELs.
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  #2  
Old 05-03-2014, 06:04 PM
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As mentioned above, the aFe heat shield was definitely not designed for the Ram Sport Performance Hood (SPH). While the SPH is a little higher than the RAM's basic hood, the hood blanket/insulation is suppose to provide the same profile. Either this is not the case, or aFe's heat shield is in need of a design change.

I used a digital camera with a 10 second timer. I placed it at various positions throughout the engine bay and completely closed to hood. As you can see, the heat shield does not follow the contours of the hood blanket and there are large gaps of various widths up to an estimated 2".

While disappointed, I'm not too concerned as I already knew that heated air was going to inevitably entered the intake as it is not a closed unit. I've performed this task on other set-ups, and while the gaps were not as pronounced, they were still there on every CAI that I've tested. Heat "shield"... no, maybe a heat screen.
Attached Images
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Old 05-04-2014, 03:13 AM
mahman8888 mahman8888 is offline
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Default

i went with the k &n and wowsa i don't regret it at all!!! even when the variable cam timing kicks it its even louder!!! doesn't take much to reach the governor which can be annoying at time!!!
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Old 05-04-2014, 04:17 AM
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Me too, very happy with K&N. got more than expected.
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Old 05-04-2014, 08:52 AM
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Yeah, I briefly looked at their 63 Series, which cost as much as the aFe, but preferred the oil-less filter. Their Blackhawks non-oiled CAI looks good, but cost more and rated low on performance as compared to the aFe. I don't have a lot of experience with K&N, except for their drop in filters on some earlier cars and they seemed to perform well...
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Old 05-12-2014, 04:59 PM
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I can't make up my mind between this one and the air raid
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Old 05-12-2014, 08:38 PM
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Quote:
Originally Posted by RAMinator13 View Post
I can't make up my mind between this one and the air raid
Can't go wrong with either one IMO...
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Old 05-14-2014, 06:39 PM
HEMI71 HEMI71 is offline
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I have the Aird. Love it, seemed to wake the ponies up even more!
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Old 05-14-2014, 06:48 PM
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Quote:
Originally Posted by HEMI71 View Post
I have the Aird. Love it, seemed to wake the ponies up even more!
awesome... did you get the oiled or dry filter? On the website it shows the oiled filter flowing 200 more cfm... does it scream under the hood also?
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Old 05-17-2014, 09:00 AM
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Still liken the afe?
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