K&N CAI Which One? - Jeep Commander Forums: Jeep Commander Forum
Intakes Questions or advice about intakes? This is the place...

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post #1 of 28 (permalink) Old 09-16-2006, 11:40 AM Thread Starter
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intake

I don't know much about this stuff, but I'm learning.
I want to get an K&N intake kit for my 4.7 and not sure which one.

The 63 Series Aircharger Kits or
77 Series High-Flow Performance Kit

What's the difference, if it realy matters.

thanks
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post #2 of 28 (permalink) Old 09-17-2006, 09:37 PM
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Re: intake

I would order the aircharger. This one is made out of plastic compared to the 77 Kit. Plastic means it will not produce as much heat as the metal one. Less heat into the engine will equal more power. If you look at the dyno between the two, the difference is about 1.5 hp. I wish they come out with one for the 3.7L.
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post #3 of 28 (permalink) Old 09-17-2006, 11:44 PM
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Re: intake

go with the 63 series, I installed one on the 4.7 commander and it made a HUGE difference in power and the sound is incredible. It makes it sound modified and gives it a nice deep throaty sound you will immediately notice. Install took about 45 minutes total and I have loved it ever since i installed it
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post #4 of 28 (permalink) Old 05-13-2008, 06:12 PM
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K&N CAI Which One?

K&N 63-1549 15.30HP - Black Finish - Cheaper
K&N 77-1549KP 12.93HP - Polished Finish - More Expensive

Which one is better?
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post #5 of 28 (permalink) Old 05-13-2008, 06:20 PM
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Quote:
Originally Posted by Phunkeydude
K&N 63-1549 15.30HP - Black Finish - Cheaper
K&N 77-1549KP 12.93HP - Polished Finish - More Expensive

Which one is better?

I believe that peeps on here have said that the Black one is better. The chrome heats up the air too much and kinda defeats the purpose of "cold" air.

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post #6 of 28 (permalink) Old 05-13-2008, 06:23 PM
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Unless you want the chrome tube for it's appearance, you already know the answer.
It is an easy upgrade either way.

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post #7 of 28 (permalink) Old 05-13-2008, 06:24 PM
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Quote:
Originally Posted by Phunkeydude
K&N 63-1549 15.30HP - Black Finish - Cheaper
K&N 77-1549KP 12.93HP - Polished Finish - More Expensive

Which one is better?

Going by the part number I'm guessing you have the 5.7, I just got the 63-1548 for my 4.7, with the black plastic intake, it is supost to stay cooler than the polished metal one, I'm guessing that is where the diference on gain is... There my be some minor mods to do while installing, I have a post on my install, I just did it yesterday... Go with the 63 series...

Here is mine, in case you want to see it... https://www.jeepcommander.com/forums/...ead.php?t=4814
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post #8 of 28 (permalink) Old 05-13-2008, 06:30 PM
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The chrome one will also not be CARB approved, it's for off road use only. If that matters to you. Honestly though, I can't understand why you would want to pay more for the one that gives less power. I, for one, drive with my hood closed, so no-one will ever see the chrome.


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post #9 of 28 (permalink) Old 05-13-2008, 07:55 PM
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Quote:
Originally Posted by RedCommander
The chrome one will also not be CARB approved, it's for off road use only. If that matters to you. Honestly though, I can't understand why you would want to pay more for the one that gives less power. I, for one, drive with my hood closed, so no-one will ever see the chrome.
That's my thought too. Why pay more for less. I just had to be sure I wasnt missing something.
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post #10 of 28 (permalink) Old 05-13-2008, 09:25 PM
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Actually, I think that 2.37 hp will not make a big difference. I think that you have a nice looking vehicle and think that the polished finished one will just add to it. Just my opinion.

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