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2004 Jeep Grand Cherokee Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport OBD-II Port Cover Reviews

looks fantastic

Reviewed By Tim S (South Bend, IN) Reviewed for a 2004 Jeep Grand Cherokee —1/30/2014 8:45 PM

This is an awesome looking cover nobody will see it but me but I know it's there. Its just an awesome looking piece of machined aluminum

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Superchips Flashpaq Tuner Reviews


Reviewed By Craig B (ALLENTOWN, PA) Reviewed for a 2004 Jeep Grand Cherokee —8/9/2012 8:14 PM

Upon recieving my tuner I immediatly changed the tune to 87 performance and corrected my speedometer for my larger tires. The performance gains are more than i expected and its corrected the lag i used to feel on hot days and with the a/c running. Mileage increased 2mph and im now able to keep up with traffic in the fast lane.

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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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