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 Post subject: Intake and Exhaust Choices for best MPG
PostPosted: Tue May 08, 2007 3:06 pm 
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Joined: Fri Jul 22, 2005 12:15 am
Posts: 42
Location: Honey Brook, PA
Okay, looking to add an intake, and some sort of exhaust, mainly for fuel efficiency. I was mainly looking at the AEM Brute Force and a muffler, but I know there are other good products out there for intakes and exhausts I've used K&N drop In's in a few vehicles, including the KJ. I also used an Iceman in my first car, and an Injen CAI in my eclipse, so I know they help. Anyone have a better experience with one intake over another? Exhaust wise, has anyone seen better results with one company over another, Cat Back Vs Muffler? Anyone do anything with a hi flow cat? I'm not looking to drop thousands of dollars or huge HP increases, but would like to get some better gas mileage. Let me know what yall think.

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2004 KJ Columbia Edition V-6 4WD

LOST Mid-Atlantic-071841

-Thule rail mount, load bars, fairing, upright mounts, wheel carrier, fork mount, Rocky Mount fork mount, Yakima wheel carrier and kayak carrier
-Rusty's Off-Road Intake with AEM filter
-Firestone Destination AT's


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 Post subject:
PostPosted: Sat Jul 19, 2008 4:08 am 
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Joined: Thu Aug 23, 2007 9:43 pm
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Location: Raleigh, NC
I actually have pretty much the same question. I've heard good and bad things about air intakes, such as that they take in a lot of dirt. Also, I was wondering if there is an improved exhaust that does not make it louder. That annoys the crap out of me when cruising.


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 Post subject:
PostPosted: Sat Jul 19, 2008 10:23 am 
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The best would be just use the stock intake, get a Amsoil air filter and replace the muffler with a better one, ie Flowmaster, Magnaflow, Thrush even Flo Pro :wink: no use replacing the tailpipe will not help one bit, save your money on other stuff, also check out the thread in Fabrication on using a hose from the grill back into the air box, that helps as well. I am running a 3 inch dryer vent hose from the grill back into the airbox along with the stock air intake. This is the 5th set up I have had a nd the best so far

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 Post subject: Can you be more specific about the thread...
PostPosted: Thu Sep 25, 2008 9:27 pm 
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Location: Rochester, NY
I will go look...it sounds like an interesting idea...

Jim


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 Post subject: Re: Can you be more specific about the thread...
PostPosted: Fri Sep 26, 2008 11:10 am 
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jmoomaw wrote:
I will go look...it sounds like an interesting idea...

Jim


you've got a CRD so - if you have the stock intake - you already have a straight hose into the air box
(this may give you problems in rainy weather - that's why a lot of folks have switched to the v6 airbox)

on the other side - depending on state laws - you may be able to straight pipe the muffler - i.e. the Turbo acts as a muffler -
however you definitely need to get rid of the stock muffler - it necks down from the 2 1/2" exhaust to 2" and chokes the exhaust.

(I went Magnaflow - but several options - the straight pipe will give the best performance and the most noise)

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 Post subject:
PostPosted: Thu May 07, 2009 5:08 pm 
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Location: Cle Elum, Washington
I bought the parts for the V6 airbox mod. Then I bought a snorkle and an Amsol EAA airfilter. Then I'm going add a high flow cat and a 3" exhaust and NO muffler.

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2006 KJ CRD Ltd - Suncoast, GDE Eco, EGR Delete, After market T-Stat, Skid Row skids, V6 airbox, 2.5" Turbo back
2005 KJ CRD Sport-Suncoast, Transco, GDE Hot-GDE Trans, EGR Delete, Skid Row skids, V6 airbox, 2.5" Turbo back, After market S-Stat
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