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Home / Shop / Modified PCM & inTune i3 Combo 2021 5.7L

Modified PCM & inTune i3 Combo 2021 5.7L
DiabloSport

Modified PCM & inTune i3 Combo 2021 5.7L

Part # PKITCHALV821-I3

$1,699.95

On Backorder — expected around Nov 14, 2026

Preloaded with dyno-tested performance tunes, the inTune i3 handheld programmer (PN 8345) delivers up to 25 rear-wheel horsepower gains, improved torque, sharper throttle response, and refined 8-speed transmission calibrations for quicker, smoother, and more confident shifting. The result is a Challenger that feels more powerful, more responsive, and more fun to drive.

Features

  • 2021 Challenger 5.7/6.4
  • WOT Spark – 1-7k RPM +/- 10
  • Windshield mount included
  • Control MDS and traction control on/off
  • inTune 3 packed with preloaded tunes and end user adjustments
  • Full color touch screen device
  • WiFi update capability
  • Multi-license capability
  • Datalogs
  • Reads/clears DTCs
  • Includes PCM Preprogrammed for your vehicle
  • Available tunes: 93 Octane Diablo Tune, 91 Octane Tune, Performance
  • Unlocked for use with DabloSport devices
  • OEM replacement
  • Removal/Installation videos available on our YouTube channel
  • TCM tune for 8 speed transmission included
  • Gain up to 20 rwhp and 18 rwtq (25 on 6.4L) on 93 octane
  • 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

NOTE: YOU MUST SAVE YOUR STOCK CALIBRATION WITH YOUR TUNING DEVICE BEFORE REMOVING THE STOCK PCM FROM THE VEHICLE. PLEASE REFER TO THE INSTRUCTIONS THAT COME WITH YOUR UNLOCKED PCM.

Product Video

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Documentation