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2004 Jeep Grand Cherokee Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


Jet Stage 2 Performance Chip

Reviewed By Dean C (Sherrills Ford, NC) Reviewed for a 2004 Jeep Grand Cherokee —3/28/2011 8:20 PM

The chip has made a big difference in the performance of my jeep, that also has a K&N cold air intake system, 1" billet spacer under throttle body,and a magna flow performance cat followed with a flowmaster delta super 40 muffler.

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Superchips TrailDash2 Jeep Tuner Reviews


Best Tuner Available!

Reviewed By Vincent R (Belford, NJ) Reviewed for a 2005 Jeep Grand Cherokee —3/13/2017 8:38 PM

Best tuner I have ever used, everything you need is at your fingertips. It's super easy to set up and get everything going. Definitely recommend it for the money!

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Hypertech Max Energy Programmer Reviews


nice upgrade for a 3.7 jeep!

Reviewed By Steven W (Rensselaer, NY) Reviewed for a 2006 Jeep Grand Cherokee —10/31/2016 2:10 PM

I bought this for my 06 jeep grand cherokee with the 3.7 V6. it has a 2 in lift and bigger tires (31's, i didnt want to go too big since its my daily). i bought the programmer mainly for tire size calibration for my speedometer, but i was pleasantly surprised by the performance increase from the tunes. great power increase across the RPM range, throttle response is instant (i also have an injen cold air intake), its no race car but its a nice addition. MPG's increased also. only con is price

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