Airaid or K&N for the 5.7L Hemi?
Taking a poll folks. I have seen some good write ups on both CAI, but I think people are a little more critical of the K&N. The Airaid is looking like a winner, but I am interested in seeing all your thoughts!
aFe is my favorite
Airaid is 2nd
K&N...........The only thing I have with their name on it is oil filters (WORK GREAT)
im interested in seein what the results of this is also because im torn between the 2
Haver Airaid on mine and love it.
Been thinking about the Airaid myself, from the pictues it looks like it has ducting to pull cold air from the same place the stock box does, is this correct? I read in an older thread in the 2009 forums that the K&N does not and is pulling hot air from under the hood as well as some fitment issues.
I've actually tried and tested all of them over the last two years
made hundreds of quarter mile passes at the track and many off track.
The Volant clearly is the best,
it's 100 % sealed from engine heat, none of the others are.
AND for racers' the Optional lower port can be utilized to RAM cold air from the front bumper.
The powercore filter is superior in design,oil free, never needs cleaning/recharging and is good for 100k miles.
Check out the CAI thread ...
Im quite happy with my choice of an AEM drop in filter. its a washably dry filter. and made by the same folks as K&N. the stock airbox is more than adequate for a stock engine.
I just took out my K&N CAI and replaced it with a AFE Stage 2 CAI. The AFE is far better than the K&N. The AFE gave the Hemi an incredible throaty sound, a very noticeable increase in torque and horsepower. Not to mention looks great. Fitment was excellent and overall I couldn't be happier with the outcome. I have also noticed an increase in gas mileage when I am not putting the pedal to the floor to hear the sound lol.
I also went with the PRO 5r filter which does need reoiling periodically, but you do have the option of a PRO Dry S filter which is good for 100000 and never needs to be oiled.
I have experience with both brands. Airaid is the better route.
The only difference between the Airaid and Volant is the Volant is prettier lol. Oh yeh and the Volant is more expensive. For those of you that will think "The volant is enclosed and the Airaid isn't", The Airaid seals to the bottom of the hood :)
Close your hood slowly and see if it makes contact all around the box,
it doesn't, in fact it only goes around 3 sides, barely making contact at the rear. Chalk the edge of the seal and see if it marks your hoodliner ;) ,
I even tried to use some pipe insulation in an attempt to help remedy this design flaw, but gave up and bought a Volant, for less than I paid for the Airaid.
The entire fender side gap is still exposed, due to the hood strut ;)
Also, look at all the right angles the air has to follow to get to the TB from the fender port.
Now compare that to the direction of flow from fender port to TB on the Volant.
NOW consider that the Volant has an optional port in the bottom for a 3.5" cold air tube that the others do not offer...
Dont think you need that extra cold air?
if you're truck is bone stock, maybe you dont. I wanted more, why?
Here's what the stock fender opening looks like for EVERY other CAI
remove the airbox and you'll see the headlight bucket blocks 90% of the already small intake tube of most air boxes.(including stock)
Here's the view from the outside with the headlight removed...
That's why the Airaid is a "Failed" CAI along with many others,
when there isn't enough air from the limited fender opening, hot engine air from the failed seal along the top gets sucked in.
Want to save some money, put a K&N drop-in flat filter into the stock box, it's already a sealed CAI,
then drill a hole in the base for a feeder tube for extra cold air if you want more.
If you want the best and dont mind the extra cost, the Volant is the best CAI choice.
The Powercore filter is so effecient, my truck was no faster when I ran it with no filter at all.
Track Slips are what drive my decisions,
if the Airaid was better I'd still have mine on my truck instead of in my basement.
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