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Unread 02-14-2011, 04:11 PM   #1
Registered User
2002 KJ Liberty 
Join Date: Feb 2011
Location: Poughkeepsie, New York
Posts: 6
First Time Poster & Jeep Owner

Hey everyone, first post on this site!

So I have recently come into some money, and I would like to "hook-up" my Jeep Liberty Limited 2002. Fully-Loaded. I have heard many good things about Exhausts and Cold-Air Intakes. My main focus is to make the Jeep faster (Extra Mileage is a plus). What do "you guys" suggest that I add to it, to make the HP increase?
I've heard good reviews about K&N and Flowmaster. Please steer me in the right direction if I'm wrong!

Thanks in advance,

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Unread 02-14-2011, 04:20 PM   #2
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2002 KJ Liberty 
Join Date: Feb 2011
Location: Poughkeepsie, New York
Posts: 6

My baby
Hachi is offline   Reply With Quote
Unread 02-14-2011, 05:44 PM   #3
2005 TJ Wrangler 
Join Date: May 2006
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First post - welcome to JF

Unless you really want to wash your hard earned cash down the drain - skip the K&N type filter stuff on your KJ's 3.7... You are not going to see real performance gains. But if you see enough TV and magazine ads, you might start to believe it will. Just saying. These puppies weigh in at over 4000#s.
05 TJ RME 42RLE with some things
05 KJ CRD 545RFE, GDE Eco tune, Franky II, Al's 4.5 A-arms, JK Rubi Moabs, Silent Armors 245-70-17's, Spidertrax Adapters, Rola Basket, Fumoto Valve, Pinch welds pounded

FS or FT (2) JK Rubi 17" Moab Rims - really nice shape
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Unread 02-15-2011, 09:24 AM   #4
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2005 KJ Liberty 
Join Date: Nov 2008
Location: stuck in the mud again
Posts: 1,084
Welcome to the forum.

As far as CAI is concerned, the stock intake draws cold air in from above the grill. That is as cold as you are going to get. The aftermarket intakes "hang" in the engine compartment and so they draw in hot heated air from the engine compartment.

As far as exhaust systems, you could change the muffler to a "flowmaster" or one of those type ones. Not sure if it would give you much HP gain but might sound better. The KJ exhaust system actually flows pretty good stock.

If you want a "fast jeep" you need to get a hemi GC. (there is nothing like a big v-8)

Keep the 3.7L tuned up (fresh plugs, air filter, etc).

The KJ is a good jeep. Enjoy your jeep.
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Unread 02-18-2011, 03:17 PM   #5
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2002 KJ Liberty 
Join Date: Dec 2010
Location: Ottawa, Ontario
Posts: 72

A clean box filter in the stock airbox is a first. You might want to also get more airflow into the stock box - some put ABS pipe with an elbow or two to the front of the grille. (I removed the plastic air dam on the passenger side of the rad too, was cracked anyway)

Another thing I'm considering is a ported throttle body from Fastman:

http://<font size="5">http://www.the...s37.asp</font>

And an aftermarket catback exhaust would also be a consideration:

http://<font size="5">http://www.dyn...ine=3.7</font>
02 KJ Sport Silver - 195kms - 2.5" OME/Bilstein lift, ARB bumper, JBA 4.5s, full skids, RS diff cover, rear SuperBumper on Reese 2", 245/75R16 Goodyear Duratracs on Cragar soft 8s
huntbuggy is offline   Reply With Quote

flowmaster , intake , jeep , liberty
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