inTune i3 Performance Programmer for Jeep® Vehicles

Part Number 8400 – A Performance Tuner for Jeep®!

Buy Now   


GET THE BEST PERFORMANCE UPGRADE FOR YOUR CHRYSLERhome_products_i2_i2010_chrysler_vehicles_01_05

Upgrade your horsepower in minutes with our inTune i3 Jeep® Programmer. It is easy to install and plugs right into your vehicle’s OBD-II port. Our tuning team maps out all of the i3’s tunes for your Jeep®. Our goal is to make the biggest power gain, with the largest choice of performance options. The i3 features the latest electronics too; find out more about what makes the i3 the best handheld tuner available today!


In 2007, we launched the first true Chrysler tuning platform and the rest was history! Since then, our team’s expertise in tuning the modern Jeep engines remain light years ahead of the competition, and the new i3 is the next evolution of tuning for Jeeps®. We have taken all of our experience making power on modern Jeep® vehicles and packed it into a programmer that is easier to use than ever before!


Our new inTune i3 allows for a first at DiabloSport– you can now tune more than one vehicles by purchasing a tuning license. If you have the 8400 for your 2014 Jeep Wrangler, but you also want to tune your 2012 Ram truck, you can get a license that lets you to tune both at the same time!

Configure your vehicle in the vehicle selector above to see make/model specific power levels and features. 

 Looking for custom tuning options for Jeep?  Check out the i3 Platinum PN 8445-1 for Jeep.


Make Model Engine From To
Jeep Commander 4.7L / 5.7L 2006 2010
Jeep Grand Cherokee 4.7L 2006 2006
Jeep Grand Cherokee 4.7L 2008 2009
Jeep Grand Cherokee (Requires Modified PCM) 5.7L 2015* 2017*
Jeep Grand Cherokee 3.5L /3.6L / 5.7L / 6.1L / 6.4L 2005 2014
Jeep Wrangler 3.8L / 3.6L / 4.0L 2005 2014
Jeep Wrangler (Requires Modified PCM) 3.6L 2015* 2017*

NOTE: Purchasing an additional tuning license requires that you have a DiabloSport inTune i3 Programmer. If you do not have an inTune i3, you will not be able to use the licensing options.

* 2015-2016 Chrysler Vehicles Require a DiabloSport Modified PCM Be installed prior to tuning.