Cold air intake. Questions
Thread Starter
Newbie
Joined: Jul 2012
Posts: 22
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From: Havelock, NC
Year: 1999
Model: Cherokee
Engine: 4.0 HO
I have a 99 Cherokee 4.0 and I want to put a cold air intake on it. However I don't want to pay hundreds of dollars. What are the pieces I need to put my own together from the parts store.
CF Veteran
Joined: Jul 2011
Posts: 2,164
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From: Warren, Pa
Year: 97
Model: Cherokee
Engine: 4.0L
Look on eBay. They sell basic intakes for cheap. I am assuming you just want an intake with an open filter. A true cold air intake would be mounted lower or in the cowel. That would cost a little more. Search homebrew cold air intakes on here. It's been done
Thread Starter
Newbie
Joined: Jul 2012
Posts: 22
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From: Havelock, NC
Year: 1999
Model: Cherokee
Engine: 4.0 HO
I will admit I didn't search for long. That's my newbie mistake. Thanks for the info. I just got the jeep and saw all the cold air parts on the wall but had no clue where to start. I asked them to price a kit for me and the cheapest was 200 dollars
Volant #27740 CAI
Used in excellent condition. $125 shipped 48 states, paypal ok as gift.
$227.99 New from Quadratec
http://www.quadratec.com/products/17013_8000.htm
Used in excellent condition. $125 shipped 48 states, paypal ok as gift.
$227.99 New from Quadratec
http://www.quadratec.com/products/17013_8000.htm
Seasoned Member
Joined: Jul 2011
Posts: 291
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From: Interior of Alaska
Year: 1991
Model: Cherokee
Engine: 4.0 HO
Here's one of my next major projects. I get a true cold air intake and a snorkel all in one. And it looks alot cheaper than any other option.
https://www.cherokeeforum.com/f67/my...snorkle-67919/
https://www.cherokeeforum.com/f67/my...snorkle-67919/
I would like to see this method tested. The air box still has the opening in the front pulling in hot air and is low where in can suck in water. The PVC cowl mod is up high but the lower box opening is still there. Will it flow 'cold' cowl air into the airbox? Will it have a greater pressure differential and overcome the front opening air? Will it just act as a 'vent' and air actually flows backwards thru it? Put a temp probe and test if it is cooler or not. Just because it looks like is 'should' work, doesn't mean that it will actually function as you want it to. It might not be doing what you think it is.
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CF Veteran
Joined: Nov 2008
Posts: 1,021
Likes: 3
From: mass
Year: 1992
Model: Cherokee
Engine: 4.0 high output
I would like to see this method tested. The air box still has the opening in the front pulling in hot air and is low where in can suck in water. The PVC cowl mod is up high but the lower box opening is still there. Will it flow 'cold' cowl air into the airbox? Will it have a greater pressure differential and overcome the front opening air? Will it just act as a 'vent' and air actually flows backwards thru it? Put a temp probe and test if it is cooler or not. Just because it looks like is 'should' work, doesn't mean that it will actually function as you want it to. It might not be doing what you think it is.

you block off the front of the box, otherwise there would be no point.
ive been running this set up for 2 years and it works great. dont bother with pvc. you can buy intake tube and the conectors you need at auto zone for 25 bucks.
the cowl is where the heat/ac pulls air from as well so its designed to drain water away. meaning no water in the intake when it rains. ive tested with a garden hose and buckets of water. spectra now sells this set up as well
CF Veteran
Joined: Nov 2008
Posts: 1,021
Likes: 3
From: mass
Year: 1992
Model: Cherokee
Engine: 4.0 high output
http://www.quadratec.com/products/17006_7100_07.htm
$150 spectre performance cold air induction filter system
mine cost me about 35 bucks to make but this gets rid of the stock box and uses a in line filter
$150 spectre performance cold air induction filter system
mine cost me about 35 bucks to make but this gets rid of the stock box and uses a in line filter
Newbie
Joined: Jul 2012
Posts: 23
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From: Pennsylvannia
Year: 1998
Model: Cherokee
Engine: 4.0L 6cyl
Originally Posted by xjheep92
http://www.quadratec.com/products/17006_7100_07.htm
$150 spectre performance cold air induction filter system
mine cost me about 35 bucks to make but this gets rid of the stock box and uses a in line filter
$150 spectre performance cold air induction filter system
mine cost me about 35 bucks to make but this gets rid of the stock box and uses a in line filter
Last edited by Rebelhunter; Aug 1, 2012 at 11:52 AM.
CF Veteran
Joined: Jan 2011
Posts: 1,894
Likes: 4
From: Las Vegas
Year: 1999
Model: Cherokee
Engine: 4.0

you block off the front of the box, otherwise there would be no point.
ive been running this set up for 2 years and it works great. dont bother with pvc. you can buy intake tube and the conectors you need at auto zone for 25 bucks.
the cowl is where the heat/ac pulls air from as well so its designed to drain water away. meaning no water in the intake when it rains. ive tested with a garden hose and buckets of water. spectra now sells this set up as well
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