Installed K&N FIPK & Jett Performance Module
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CF Veteran
Joined: Oct 2008
Posts: 2,543
Likes: 5
From: Stafford,VA
Year: 1998
Model: Cherokee
Engine: 4.0
As the title says i added 2 new mods to the jeep. I was impressed at how the two smoothed out the overall operation of the jeep. The chip removed the convertor slip and made shifting so much smoother i cant even tell when it changing gears(it also removed all my TPS codes). The FIPK isnt 2 noisy but there is a noticable Throttle body whistle. Both were worth the effort to install.................I got them used for a good price. I figured i would share the results...best MPG to date in the winter time i have been able to get was 18MPG. I will post the results once i am able to run a full tank through it.
Next mods will be 99+ Intake manifold and Ported TB.

Next mods will be 99+ Intake manifold and Ported TB.
CF Veteran
Joined: Nov 2008
Posts: 6,989
Likes: 4
From: Oak Harbor, WA.
Year: 1987
Model: Cherokee
Engine: 4.0 liter RENIX I-6, DIY Cold Air Intake, 2.5 FM Exhaust, 3 Core Radiator
My cold air intake and cone filter really improved my MPG and power. I would recommend that as a first upgrade to any new XJ owner. I also love the intake woosh sound when I'm getting on it.
Thread Starter
CF Veteran
Joined: Oct 2008
Posts: 2,543
Likes: 5
From: Stafford,VA
Year: 1998
Model: Cherokee
Engine: 4.0
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