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1999 Jeep Cherokee Performance Chips & Programmers

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Latest Customer Reviews

Superchips Flashpaq Tuner Reviews

1999 Jeep Grand Cherokee 4.7L V8 4WD - Improved

Reviewed By Scott B (Frederick, CO) Reviewed for a 1999 Jeep Cherokee —8/14/2009 1:52 PM

Although most reviews and feedback from "experts" in the field indicated I would improve MPG by only 0.5 - 1 mpg, I have experienced a 1.5 - 2 mpg improvement. I drive at an elevation of 5000-6000 ft and use 85 octane fuel. Coupled with the stock replacement K&N air filter (not the entire air intake kit), this programmer has taken my jeep from 15 mpg to an average of 18 mpg. I would recommend this programmer; it will pay for itself within a year or two.

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Banks AutoMind Programmer Reviews

Great programmer, easy to install and use.

Reviewed By Clinton S (Tampa, FL) Reviewed for a 2001 Jeep Cherokee —12/20/2014 9:20 PM

I used the 91 octane program and I can tell the difference in acceleration and I don't have to get on it as much to keep up with traffic. Took 10 minutes to install and you can update it online.

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Hypertech Max Energy E-CON Reviews

01 Dodge 2500 4x4 5.9 gas

Reviewed By erald V (Newburyport, MA) Reviewed for a 1992 Jeep Cherokee —6/1/2011 8:56 PM

Programer came with wrong software but acouple of calls to Hypertech I down loaded correct software. Tech stayed on the line to make sure it worked right incase of any problems. Installed very easy and corrected my tire size change and inproved my mileage. Performance wise WOW, what a differance! Pulls alot better on hills, loaded or not. Shifts the way it's suppost to now as well.This and the other upgrades I made are well worth the investment!

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