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Old 04-06-2010, 02:43 PM   #1
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2005 Unlimited - Recommend an Air Intake System

I am interested in replacing the air intake system on my 2005 Jeep Wrangler Unlimited, but am not sure which system to go with. My primary reason for wanting to replace the factory one is increased fuel efficiency, with extra horse power and extra torque being secondary considerations.

Which one would you recommend?

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Old 04-06-2010, 04:21 PM   #2
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edge trailjammer kit with throttle body, and edge module

I got one and I am happy with it

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Old 04-06-2010, 04:23 PM   #3
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does good in mud as well

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99 TJ 4.0l 5speed, Bushwacker flares, JKS endlinks, Procomp stabalizer, Procomp 4 inch lift, 3 inch body lift, edge intake, Edge throttle body, Edge control module, flowmaster exhaust, Maxxis bighorn 35x12.5x15 tires on allied progressive beadlock wheels, sony cdx-fw700 cd player, xplod front speakers, eclipse rear speakers,Olympic 4X4 Products Xtreme Duty Tire Carrier in Rubicon Black
I got a TJ 99 with 4 wheel drive sittin out back of the jail
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Old 04-06-2010, 04:29 PM   #4
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I have always liked K&N for my cars.. but thats just my preferance
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Old 04-06-2010, 05:30 PM   #5
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You get almost no improved gas mileage with an aftermarket intake for your Jeep. Expect some whistling, looks cool when poppin the hood, and that's about it. The Jeep's stock system sucks in already what it can handle. This is coming from someone who has the K&N filter system and has considered trading it straight for a stock system. There's no improved throttle response. There's no extra torque to be had. Just a whistle and a black tube for $200. Save it for something else.
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Old 04-06-2010, 06:21 PM   #6
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If you search the forum, you will find several write ups on this topic. On an '05 the fuel does not go through the throttle body,so there is NO mixing of air and fuel. Don't spend money on parts that will not change the way your vehicle performs.
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Old 04-06-2010, 06:32 PM   #7
Knows a couple things...

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I recommend you put that hard-earned $$$ towards something else, something that will actually do something good for your Wrangler.

The TJ's air intake system is not even close to being restrictive, it is getting all the air it can possibly consume via the OE air intake system. No, I am not kidding. Restrictive air intakes are indeed common on many vehicles and aftermarket air intakes can do wonders for them but that's not the case with the TJ.

On top of that, I've had personal conversations with Jeep engineering (Sr. Engineer Jim Repp) who confirmed that they specifically designed the TJ's air intake to be totally free-breathing with no restriction on the TJ's air intake whatsoever.

Throw an aftermarket air intake onto your Mustang 5.0L for better performance but don't bother with a TJ. It won't help at all, no matter what the placebo effect is telling some naive TJ owners.
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Old 04-06-2010, 07:10 PM   #8
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Old 04-06-2010, 09:26 PM   #9
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It's very interesting to see the different opinions in this thread. Some obviously have aftermarket air intakes and are quite happy with them, some have them and don't see much of a difference, and some don't have them and have good reasons why they make no difference. Certainly interesting to see the difference in opinion.

So here is a question for those of you who don't have them and have good reasons why not - are there any options for improving gas mileage on my Unlimited? It is my daily driver and I have about two hour's worth of daily commute, so gas does add up pretty quickly.
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Old 04-06-2010, 09:56 PM   #10
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Unfortunately, besides keeping your tires properly inflated and balanced, and keeping the engine free as possible from carbon buildup, there's little much else you do. Go lighter on the throttle I guess. The Wrangler isn't the best choice for anyone with a long commute as a DD, but that's just the territory of a box on wheels
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Old 04-07-2010, 05:55 AM   #11
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Keeping the engine clean, good oil and driving stile. 65mph vs 75mph can make a huge difference. In the end, modifications (gearing changes, installing an add on overdrive...) will probably cost more than the savings you would get from a couple of mpg. Even buying a more expensive, new car with better mpg may not save you any money. I went through this with my wife. She wanted a Liberty, but was looking at something else becasue it got a few mpg more. I did some quick math and the monthly savings in fuel was less then the monthly paymnet difference.
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Old 04-07-2010, 09:37 AM   #12
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Thanks for the responses.

I guess part of me was hoping there would be some kind of magic part that would improve gas mileage, but, alas, it's not to be. I got the Jeep when I lived in Virginia and my commute was 13 minutes - up here, distance is measured in hours, not miles. Very different. I am glad I have the Jeep, especially in winter, but the long commute gets to be annoying and the lack of gas mileage can certainly be felt in the wallet. (Though I wouldn't trade where I live for anything - 74 acres in the country, with plenty of room for the dogs to run and my own range to shoot on!)

I am definitely keeping on top of maintenance, making sure tires are inflated, engine is taken care of, etc.
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Old 04-07-2010, 09:56 AM   #13
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Good luck with it.

Glad you decided to save that money for gas. Sadly not much can be done for the brick on wheels. I was commuting(~20 miles each way) in the jeep for a few weeks, and then it finally hit me that was stupid, so now we're driving a more fuel efficient vehicle to work.
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Old 04-07-2010, 10:33 AM   #14
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Quote:
I was commuting(~20 miles each way) in the jeep for a few weeks, and then it finally hit me that was stupid, so now we're driving a more fuel efficient vehicle to work.
It's nice to have that option. Unfortunately, I am still paying on the Jeep, so a second vehicle is not in my immediate future.
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Old 04-07-2010, 10:46 AM   #15
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Quote:
Originally Posted by AbbyK9 View Post
It's nice to have that option. Unfortunately, I am still paying on the Jeep, so a second vehicle is not in my immediate future.
Right on, no worries. at least fuel isn't 5.00/gal.

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