The DiabloSport inTune i3 Platinum + Unlocked PCM Kit is the complete performance upgrade for the 2018 Dodge Challenger 5.7L and 6.4L HEMI. Factory PCMs are locked, preventing performance tuning—but this kit provides everything you need: a DiabloSport Modified PCM and the inTune i3 Platinum handheld programmer (PN 8345), allowing you to safely unlock your HEMI’s true performance.

Preloaded with dyno-tested calibrations, the inTune i3 Platinum delivers 25–30 rear-wheel horsepower gains, improved torque, sharper throttle response, and refined 8-speed automatic transmission behavior for faster, smoother shifts. The kit also enables MDS (Multi-Displacement System) disable, ensuring your Challenger stays in full V8 mode whenever maximum performance is desired.

For enthusiasts planning bolt-ons or advanced modifications, the Platinum i3 supports CMR custom tuning, giving access to DiabloSport’s nationwide network of tuners for dyno-proven calibrations tailored to your build. With built-in data logging, diagnostics, and user-adjustable features, you’ll have complete insight and control over your car’s performance.

For 2018 Challenger 5.7L & 6.4L HEMI owners seeking serious horsepower gains, sharper drivability, and full tuning flexibility, the inTune i3 Platinum + Unlocked PCM Kit is the ultimate performance solution.

Features:

• 2018 Challenger 5.7 and 6.4
• Add 25-30 rwhp over stock
• Performance TCM tune for 8 speed included
• Supports custom tuning through our CMR dealer network
• inTune 3 packed with preloaded tunes and end user adjustments
• Speed Limiter On/Off enabling increased top speed
• Target Cooling Fan temps can be set from 150°-230° for use with cooler t-stat
• Tire Size Adjustment 20”-44”, allows for correcting speedometer for different tires
• WOT Fuel Adjustment – 1-7K RPM +/- 20%, allows for fine tuning Air/Fuel Ratio
• WOT MBT Spark 1-7K RPM +/- 10
• WOT Spark – 1-7k RPM +/- 10
• Full color touch screen device
• WiFi update capability
• Multi-license capability
• Datalogs
• Reads/clears DTCs
• Includes PCM Preprogrammed for your vehicle
• Unlocked for use with DabloSport devices
• OEM replacement
• Removal/Installation videos available on our YouTube channel