Video: DiabloSport Offers Programmers for 2018-19 Dodge Durango SRT


Are you an owner of a 2018-19 Dodge Durango SRT with a 6.4L Hemi? Does adding rear-wheel horsepower and torque pique your interest? If you answered yes to both questions, DiabloSport now supports the 6.4L Durango with a couple of different programmers. One programmer is the DiabloSport inTune i3, and the second is the Trinity T2. Each of these programmers is available in two versions. One version is 50-state compliant with tunes developed by DiabloSport, while the other is their Chip Master Revolution (CMR) custom tuning version, which operates on tunes provided by 3rd party tuners.

The DiabloSport inTune i3 Performance Programmer allows the enthusiast options to increase throttle response, optimize fuel economy, increase vehicle drivability, and access untapped horsepower and torque. The inTune i3 programmer comes preloaded with tunes designed and chassis dyno tested by DiabloSport for the 6.4L Durango. The inTune i3 programmer has earned a 50-state compliant California Air Resources Board (CARB) Executive Order (EO) number, so its tunes are legal for installation on the emissions required Hemi.

Above left: The inTune i3 Performance Programmer comes preloaded with DiabloSport chassis dyno-tested performance and economy tunes explicitly designed for the 6.4L Durango. The inTune i3 programmer has earned a California Air Resources Board (CARB) Executive Order (EO) number, so its tunes are 50-state compliant and legal for installation on the 6.4L engine. Another option is the inTune i3 Platinum that comes with preinstalled tunes and CMR custom-tailored tunes based upon the vehicle’s modifications, but the Platinum is not 50-state compliant. Above right: The inTune i3 comes with the programmer, an OBDII cable, a computer interface cable, and a new Powertrain Control Module (PCM) (not shown). There are two options to acquire an unlocked PCM. One is to purchase an unlocked PCM from DiabloSport and then return the factory stock, unmodified PCM to DiabloSport; this is the swap option.

If more tuning is required, the inTune i3 Platinum Programmer is an option where the enthusiast can use the DiabloSport preinstalled tunes or have a CMR custom tune developed by one of the 3rd party CMR tuning dealers. Due to the various custom tunes, the inTune i3 Platinum has not earned a CARB EO number and is not 50-state compliant.

Another choice is the Trinity T2 Performance Programmer. The Trinity T2 has the same potential as the inTune i3, and just like the i3, DiabloSport has a 50-state compliant version, the Trinity T2 EX, or the Platinum version, which requires a CMR tune from a 3rd party. The difference between the inTune i3 and the Trinity T2 is the Trinity utilizes real-time monitoring of multiple engine parameters in high-definition graphics on a high-resolution digital five-inch touch screen.

Above left: The Trinity T2 Performance Programmer provides the same potential as the inTune i3, and just like the i3, there is a 50-state compliant version, the Trinity T2 EX, or the Platinum version, which requires a CMR tune from a 3rd party. The Trinity T2 offers real-time monitoring of multiple engine parameters in high-definition graphics on the DiabloSport high-resolution digital five-inch touch screen. Above right: Just like the inTune, the Trinity T2 can be purchased with a PCM swap, or the PCM can be bought outright. In either case, the Trinity T2 comes with the five-inch touch screen Performance Programmer, an OBDII cable, a computer interface cable, and a windshield mounting pod.

Both performance programmers come with a single user license, but if a need for additional licenses arises, both programmers can accommodate multiple licenses (at an additional charge). Lastly, as with all 2015 and newer Mopars, tuning these vehicles requires an unlocked Powertrain Control Module (PCM). A Durango owner can order a new unlocked PCM and the performance programmer (inTune i3 or Trinity T2) from DiabloSport, or a second less expensive option (a $400 savings) is to purchase a PCM swap. DiabloSport provides an unlocked PCM and performance programmer, and the owner returns the factory unmodified PCM to DiabloSport.

With a 50-state compliant performance programmer, DiabloSport’s preinstalled 93-octane Diablo Tune has provided an increased output of the 6.4L by 13 peak horsepower and ten lb-ft of torque at the rear wheels. The preinstalled 91-octane tune improved the peak horsepower by ten hp and increased the torque by eight lb-ft. Just as impressive, in both cases, the “under the curve” torque and power grew over the stock tune.

Above: With the pre-programmed Diablo Tune (DiabloSport’s 93-octane tune), the 6.4L Hemi’s output increased 13 horsepower and ten lb-ft of torque at the rear wheels. In areas of the country were 91-octane fuel is the highest octane available, the 91-octane tune pumped out an additional ten horsepower and eight lb-ft of torque over the factory tune. Regardless, the performance will be noticed from the driver’s seat.

With so many options provided by DiabloSport, an enthusiast needs to select the best choices based upon their needs and budget. This task may seem daunting, but you are never alone. The DiabloSport technical support staff will assist any enthusiast in making the best selection for their Hemi. Additionally, DiabloSport’s online forum will put you in touch with other performance programmer users, and their experience and knowledge along with the tech support staff will soon have you tuning your 6.4L Durango without ever lifting the hood.

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Chris Holley

Chris Holley

Technical Contributor Chris has been a college professor for 20 years; the last 15 spent at Pennsylvania College of Technology in Williamsport, PA. During the day Chris instructs HVAC and electrical/electronic classes, and high-performance classes, which includes the usage of a chassis dyno, flow benches, and various machining equipment at night. Chris owns a '75 Dart, a '06 Charger, a '12 Cummins turbo diesel Ram, and he is a multi-time track champion (drag racing) with his '69 340 Dart, which he has owned almost 30 years.

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