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The DiabloSport inTune i3 Platinum + Unlocked PCM Kit is the complete tuning solution for 2018 Ram 2500 and 3500 trucks equipped with the 6.4L HEMI engine. These heavy-duty Rams ship with locked factory PCMs that prevent tuning, but this package provides everything you need to safely unlock and unleash your truck’s true performance.
With dyno-tested tunes preloaded on the inTune i3 Platinum handheld programmer (PN 8345) and the included DiabloSport Modified PCM, you’ll gain up to 20–25 rear-wheel horsepower, stronger torque, sharper throttle response, and refined transmission performance for quicker, smoother shifts. Whether you’re towing, hauling, or daily driving, these upgrades deliver noticeable improvements in both power and drivability.
The Platinum i3 also supports CMR custom tuning, giving you the ability to work with DiabloSport’s nationwide tuner network to create dyno-proven calibrations tailored to your bolt-ons or advanced modifications. With built-in data logging, diagnostics, and user-adjustable options like speedometer calibration and MDS disable, you’ll have full control over your Ram’s performance.
This kit includes the inTune i3 Platinum programmer and a DiabloSport Modified PCM shipped via cross-shipment, making installation seamless and keeping your stock PCM safe.
For 2018 Ram 2500/3500 6.4L HEMI owners who want power you can feel, better drivability, and tuning flexibility, the inTune i3 Platinum + Unlocked PCM Kit is the ultimate upgrade.