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Old 03-12-2012, 11:46 PM   #1
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pentastar aftermarket intake reviews

I see they have came out with a few intakes for the 2012s.
Jeep Air Intakes - Quadratec

any opinions which one is better? prices are pretty close, so which one performs/sounds better?

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Old 03-13-2012, 02:09 AM   #2
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These have great marketing to sale you expensive intakes with claims that can't be supported. It really is snake oil. Yes there is some gains that can be obtained but it also allows in more dirt and can limit water crossings, allowing in water and the gains are not really that much. They really are not worth the money, The stock intakes are actually made real well these days to allow optimum performance. There really is better places to put your money if you have the mod bug

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Old 03-13-2012, 05:07 AM   #3
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These have great marketing to sale you expensive intakes with claims that can't be supported. It really is snake oil. Yes there is some gains that can be obtained but it also allows in more dirt and can limit water crossings, allowing in water and the gains are not really that much. They really are not worth the money, The stock intakes are actually made real well these days to allow optimum performance. There really is better places to put your money if you have the mod bug
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Old 03-13-2012, 06:14 AM   #4
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I'm still struggling to grasp this. I understand the idea of cold air flowing in, and I understand less restrictions allowing more etc. etc. At first the big idea seemed to be to open up OEM filter housing, or expose the air filter directly to the outside in order to get more air flowing in. Now I see airraid just came out with a new 2012 intake, that seals up the filter housing again, and in fact uses the OEM smaller air inlet, yet still claims 8 hp gains as do most others.

Now it seems the idea if airraid is correct, is that its the actual filter that is restricting everything in the OEM setup? That and Banks claim (pic. below), their tubing bypasses OEM's 90 degree bend (which in the pic below does not appear to exist. So what is it, better filter matrial only? Wider tubes, (which all lead to the same size diameter hole into the engine ala a funnel?), something else? I mean they all can't claim 8-10 hp improvement if it isn't true can they? The only thing noticeable from all video testings I have found is that they run the dyno with the hood open. Not exactly real world conditions with it closed and that padding nearly chocking the inlet it closes so close.

If anything is true it's now boiled down to just the filters themselves. Anyone know anything definitive about any of this??


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Old 03-13-2012, 07:22 AM   #5
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What's "better" is the OEM filter and intake. All manufacturers are being squeezed by federal mandates to deliver better mpg. If these things really worked to provide more hp and better mpg, then the design would be incorporated by the factory. The fact is that you are better off with the OEM set up.
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Old 03-13-2012, 09:15 AM   #6
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What's "better" is the OEM filter and intake. All manufacturers are being squeezed by federal mandates to deliver better mpg. If these things really worked to provide more hp and better mpg, then the design would be incorporated by the factory. The fact is that you are better off with the OEM set up.
Don't forget about emmissions and the EPA. That's why the restrictions exist with factory equipment and limit performance. It's not all about MPG.

The first thing everybody who buys a new Harley does is replace the stock intake and exhaust to improve performance, and get a tune. It's called "paying your taxes".

The EPA retrictions placed on HD greatly limit performance, and it's the same with auto manufacturers.

I agree that it isn't worth it on these engines however. I might buy one for looks/sound but I wouldn't expect much for performance gain.
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Old 03-13-2012, 09:24 AM   #7
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It's also called being a lemming. I won't do something just because everyone else does it. I need to see the proof and not just marketing claims.
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Old 03-13-2012, 09:26 AM   #8
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Wouldn't the computer simply adjust for the difference and negate the effect?
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Old 03-13-2012, 09:28 AM   #9
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With all that said,,,,,,,,,,,

I can feel a difference between stock and the afe intake.

I have had it on and off three times,, there is power to be had!!!


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Old 03-13-2012, 09:31 AM   #10
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It's also called being a lemming. I won't do something just because everyone else does it. I need to see the proof and not just marketing claims.
In regards to Harley's I could send you tons of Dyno sheets, but I doubt you're interested. The Dyno doesn't lie.

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Wouldn't the computer simply adjust for the difference and negate the effect?
The computer will adjust for the leaner AFR by adding more fuel.
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Old 03-13-2012, 09:33 AM   #11
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Butt dyno.
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Old 03-13-2012, 09:34 AM   #12
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Butt dyno.
That one is a bit more subjective Much more noticable on a bike when you go from 65 to 80HP
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Old 03-13-2012, 09:53 AM   #13
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RIPP's CAI can (eventually) be used w/a snorkel on the 3.6L.
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Old 03-13-2012, 10:13 AM   #14
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Originally Posted by daggo66 View Post
What's "better" is the OEM filter and intake. All manufacturers are being squeezed by federal mandates to deliver better mpg. If these things really worked to provide more hp and better mpg, then the design would be incorporated by the factory. The fact is that you are better off with the OEM set up.
Exactly. Jeep (Fiat) just spend millions in R&D to get the best numbers out of the Pentastar. If they could spend another $10 to add 5hp and/or 1mpg, don't you think they'd do it?


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With all that said,,,,,,,,,,,

I can feel a difference between stock and the afe intake.

I have had it on and off three times,, there is power to be had!!!


Hi Dagoooo.
Why look at actual data when you can simply justify your purchase by subscribing to the "expectation effect?"
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Old 03-13-2012, 11:03 AM   #15
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Originally Posted by rics1997 View Post
These have great marketing to sale you expensive intakes with claims that can't be supported. It really is snake oil. Yes there is some gains that can be obtained but it also allows in more dirt and can limit water crossings, allowing in water and the gains are not really that much. They really are not worth the money, The stock intakes are actually made real well these days to allow optimum performance. There really is better places to put your money if you have the mod bug

the air going through that intake is not going to be "cold" once the engine has reached its operating temperature. then it'll just be sucking in hot air and if it's able to suck cold air, that air will be heated up as soon as it gets sucked in. had CAIs on 2 other cars and they do not have an effect on the performance even though some claim "10+ hp gains!!". bs.
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Old 03-13-2012, 11:11 AM   #16
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The best you could hope for is a 1% gain for about a 10-15° drop in air intake temperature. I doubt any of these (due to their location in the engine compartment) can achieve that. And 1% is < 3HP. woohoo.

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Old 03-15-2012, 05:50 PM   #17
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The best you could hope for is a 1% gain for about a 10-15° drop in air intake temperature. I doubt any of these (due to their location in the engine compartment) can achieve that. And 1% is < 3HP. woohoo.

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Old 03-15-2012, 06:47 PM   #18
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Interesting information! Thanks folks!
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Old 03-16-2012, 10:42 AM   #19
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Beg to differ
I volunteer my Jeep for your "testing".
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Old 03-16-2012, 10:47 AM   #20
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I'd be very interested to buy, if you would peform the same dyno tests, with the hood closed and the insulation still installed (Rubicon). In fact take it for a 15 minute spin around the block, drive onto the dyno as is, and run the tests. Quite serious, if the numbers hold up, you got a buyer here.
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Old 03-16-2012, 11:20 AM   #21
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As an ex-5.0 owner, and living in a world where there are a plethora of cheap ($100-$400) mods that all claim to add 10-15 horsepower each, if you add 5 or 6, you really don't add 50-60 hp to your engine's output. Each one has dyno data to back-up their claims, the mods are fun to do, and you think you're going faster, but the reality on the street is you don't really notice it. If you're a really consistent driver you may be able to notice a 0.10 of a second gain here and there on a drag strip, but most people aren't that consistent and hey, we're driving Jeeps, not drag racers. Until you spend serious money on blowers, heads, intake manifolds, and even gears, you will only be noticing the placebo effect in daily driving. Speed is just a matter of money; how fast do you want to go?
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Old 03-16-2012, 11:33 AM   #22
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I agree with all the know the "CAI" by itself will make more power. Does anyone know how much air the 3.6 throttle body and intake can flow? How much air is the 3.6 capable of digesting. How much air does the stock airbox flow. And the magic question how much air does the CAI flow?
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Old 03-16-2012, 03:33 PM   #23
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Beg to differ

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Thank you for proving something I have said in many threads, and thanks for the refuting the non-sense that is posted in this thread as well as most intake threads. I think most people that posted in here don't understand how OEM intakes vs aftermarket intakes work, they don't understand that EPA regulations mean LESS power, and that a 10whp increase on a choked motor can negate 500lbs of mods.
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Old 03-16-2012, 03:51 PM   #24
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Still not proof to me. It looks like they are running an open pipe with no filter, at least not one I can see. I would also like to see the stock run, not something they already had in there. An independent test not done by the manufacturer would be nice as well. Even if it did gain 10hp, I wouldn't be willing to trade such a small number for the risk of hydro-lock. These are Jeeps, not race cars.
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Old 03-16-2012, 03:52 PM   #25
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As an ex-5.0 owner, and living in a world where there are a plethora of cheap ($100-$400) mods that all claim to add 10-15 horsepower each, if you add 5 or 6, you really don't add 50-60 hp to your engine's output. Each one has dyno data to back-up their claims, the mods are fun to do, and you think you're going faster, but the reality on the street is you don't really notice it. If you're a really consistent driver you may be able to notice a 0.10 of a second gain here and there on a drag strip, but most people aren't that consistent and hey, we're driving Jeeps, not drag racers. Until you spend serious money on blowers, heads, intake manifolds, and even gears, you will only be noticing the placebo effect in daily driving. Speed is just a matter of money; how fast do you want to go?
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Old 03-16-2012, 03:53 PM   #26
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Still not proof to me. It looks like they are running an open pipe with no filter, at least not one I can see. I would also like to see the stock run, not something they already had in there. An independent test not done by the manufacturer would be nice as well. Even if it did gain 10hp, I wouldn't be willing to trade such a small number for the risk of hydro-lock. These are Jeeps, not race cars.
That is fine, and your perogative. Many people, myself included don't wade water with our trucks, so a little extra oomph would be worth it, to combat the extra weight. Saying they are BS is another story. A for independent proof, you'll never get that, unless someone actually buys one, and dyno's it for you, but since you are scaring them off, it will never happen.

As for the filter, RIPP can correct me, but it seems that that intake utilizes a canister filter ( I used to have one od those on my s2000) which is inside that carbon canister.
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Old 03-16-2012, 05:07 PM   #27
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Intakes/Cold Air Intakes all claim to add up to 10hp. On my previous car, I added an intake, headers, cat-back exhaust and I barely felt the difference. I heard the difference for sure But in reality, it doesn't add much. To get true power, a intercooler is needed, which is around $4k to do.

As it was mentioned before, we have Jeeps not imports for street racing.
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Old 03-16-2012, 05:52 PM   #28
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Intakes/Cold Air Intakes all claim to add up to 10hp. On my previous car, I added an intake, headers, cat-back exhaust and I barely felt the difference. I heard the difference for sure But in reality, it doesn't add much. To get true power, a intercooler is needed, which is around $4k to do.

As it was mentioned before, we have Jeeps not imports for street racing.
Again, the intake gain will determine how "choked" the motor is from factory. On some cars (like a Vette) you can get up to 20 WHEEL horsepower. Like I said, an 8-10 wheel hp gain could be a very welcome gain for those that lost a little bit of oomph from heavy bumpers, heavy tires, etc. If it really is a 10whp gain, it is WELL worth the $300 or so dollars.

As for an intercooler, I fail to see how you can run an intercooler on a naturally aspirated vehicle.
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Old 03-16-2012, 05:57 PM   #29
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Only cold air intake you need

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Old 03-16-2012, 06:01 PM   #30
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Only cold air intake you need

Attachment 105408
With such a small diameter pipe, plus the 90 degree bend, that seems awfully restrictive...unless the picture makes it seem smaller than it is.

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