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2002 Jeep Grand Cherokee Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Easy to use

Reviewed By Jamie H (Bay City, MI) Reviewed for a 2006 Jeep Grand Cherokee —5/9/2017 12:59 PM

Works great easy to use and simple to update.

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Jet Performance Module Reviews


High hopes

Reviewed By Will B (HUBBARD, OR) Reviewed for a 2011 Jeep Grand Cherokee —2/7/2016 5:57 PM

Read that works best if used with premium fuel, have ran premium in it the whole time I've owned my jeep. It does actually work as advertised. More power across entire RPM range, has increased my mpg by only 2 though nut still an improvement.

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DiabloSport Predator P2 Tuner Reviews


Predator vs. Predator

Reviewed By Adrian L (Boise, ID) Reviewed for a 2006 Jeep Grand Cherokee —1/18/2010 7:20 PM

I have a DS Predator for my Hemi Dodge Magnum, which I've had since they came out, and now also the new one for my Hemi Jeep Grand Cherokee Overland. The newer one (Jeep) does not provide as much flexibility as the older unit. I don't know why they (DS folks) did this, unless it was to keep novices from ruining their vehicles. You no longer have options for torque management, tranmission settings or ESP/Traction Control adjustments as with the earlier model. Other than that the unit is about the same and is very good. It offers WOT fuel and WOT timing adjustments, modification of the stock tune, as well as throttle sensitivity adjustment settings. Since the throttle on my Jeep was very touchy, this is a great feature to "tone it down", and adjust it so it has a smoother, less jerky operation. The DS also offers a 93 octane tune, which the competing unit does not. Most other features are similar to the unit from their main competitor. Overall, between the two (I have them both for both vehicles) the Predator is the best bang for the buck, IMO.

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