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Old 08-19-2006, 01:19 AM   #1
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New Jeep owner.

Hey all, I just bought my first Jeep about a year ago and am starting to look at starting some simpler mods. I have an '06 Rubicon 4L I-6. Was thinking about a throttle body spacer and a cold air intake for starters, any ideas on a good intake brand, would like to steer clear of the oiled filers though. And at some point would like to do a 4" lift, any ideas on kits? I know there are some cheap ones out there, I would like to use a good kit. Any help would be appreciated.

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Old 08-19-2006, 09:10 AM   #2
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welcome...k&n, aem, and air raid are all good brand air intakes and air raid also makes a throttle body spacer...the rough country will be the best bang for the buck...it is only $530 and it is a complete kit that is very good...i know blu has one on his rubicon and likes it...maybe he'll be around here later...there have been a lot of threads around here lately about throttle body spacers and air intakes so just look around

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Old 08-19-2006, 11:16 AM   #3
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A few guys here have put a throttal body spacer on their 4.0. They said they didnt notice any profromace increase so you probably shouldnt waste you time and money on one of those. A k&n intake would be great for it though.
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Old 08-19-2006, 11:39 AM   #4
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Well, this is opening a can of worms, but I think the K&N is a waste of money. A performance enhancing air filter? Ridiculous. If you do some research on the K&N, you can see that tests and studies show it apparently does nothing.

I recently was reading a consumer report type thing on it. I'll check around and see if I can find it.
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Old 08-19-2006, 12:03 PM   #5
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This isn;t the same article I was reading, but this is from the Consumer Report website from the Questions section of their auto expert.

Air filters - K&N
Q. Wondering if K&N air and oil filters are worth it?
A. Unless you plan on making further performance modifications to your vehicle, stay with a factory- equivalent replacement part. You will most likely see little to no gain from the K&N, but you can wash and reuse the filter. If the idea of doing the cleaning instead of replacing the filter appeals to you, than you might consider one, but don't overlook that cleaning.


Here's that link.

This site is full of good info, anyway.
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Old 08-19-2006, 02:21 PM   #6
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Quote:
Originally Posted by amerijeep
Well, this is opening a can of worms, but I think the K&N is a waste of money. A performance enhancing air filter? Ridiculous. If you do some research on the K&N, you can see that tests and studies show it apparently does nothing.

I recently was reading a consumer report type thing on it. I'll check around and see if I can find it.

He wouldnt be replacing the filter he would be changing the whole air intake system.
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Old 08-19-2006, 02:32 PM   #7
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Like I said, I can't find the original article. If you want to pay for a placebo, go for it. I'll just laugh at you.
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Old 08-19-2006, 02:38 PM   #8
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It would be interesting to see actual dyno runs before-and-after with that $500+ kit.

While throttle body spacers CAN increase mid-range torque, it usually requires timing and fuel modifications to actually GET the potential power. That means chip tuning and MORE money.

Even if it achieves 5% more horsepower (that would be 9hp), it would most likely be at over 4000rpm, and very few people rev their engines like that.

Lets face it, on-road, with normal gearing and slightly large tires, you are running maybe 2000rpm at 60mph in top gear, and are not even close to getting extra hp from the high rpm mods far out on the rpm curve.

That adds up to some pretty expensive horsepower (dollars per hp gain).

Bob

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He wouldnt be replacing the filter he would be changing the whole air intake system.
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Old 08-19-2006, 05:04 PM   #9
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I dont see how anyone can argue that a cold air intake wont increase the proformace of a jeep......
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Old 08-19-2006, 05:09 PM   #10
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Can you post a quote on the cold air intake posting in this thread? I can't find it up there...

You might be right. That guy at consumer reports might be stupid.
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Old 08-19-2006, 05:52 PM   #11
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The consumer report question is just asking about the filter. I agree that a filter alone wont do much if anything to increase proformance. Heres a link to the product i am referring to

http://www.knfilters.com/search/prod...x?Prod=63-1514
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Old 08-19-2006, 05:55 PM   #12
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Right. In my opinion, it's crap. I don't believe in that thing. Had one once on my sport truck I had. Nothing to them. Snake oil.
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Old 08-19-2006, 06:43 PM   #13
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Snake Oil, Crap whatever you might want to say. I did notice a slight difference when I installed my AEM. Was it a $ 300 difference? No, not hardly. But there was some difference in power. Would I install it again if I were to buy another Jeep? Probably not.

Hope this helps...
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Old 08-19-2006, 08:52 PM   #14
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I remember reading an article about the filters like K&N... all the fine print stated that all the gains (HP, Torque, etc...) were at Wide Open Throttle. I will look for the article. i don't know about ya'll but I don't run my Jeep at WOT. just my .02
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Old 08-19-2006, 10:05 PM   #15
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there is a big difference between an air filter and an air intake...one cleans air and the other sucks in the air...the air intake will make the bigger difference of the two if there is a gain at all

if i was you i would get a cat back exhaust...or at least a new better flowing muffler like a flowmaster instead of an intake because they are not any more expensive if not cheaper (depending on what you get) and you will probably get just as much power gain as an intake and you also get an awesome mean sound
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Old 08-21-2006, 06:53 PM   #16
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Wow, I guess I'm kind of a trouble maker now. lol. Thanks for all the input. Sounds like it's a matter of whether one believes in it or not. I don't suppose anone had any suggestions on a good 4" lift kit? Thanks again all, and sorry for causing all that trouble
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Old 08-21-2006, 08:19 PM   #17
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i already gave ya a suggestion on a good 4" lift...the rough country...refer to my earlier post on this thread!
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Old 08-27-2006, 10:57 AM   #18
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My bad, I missed it. Thanks.

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