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Fitment

YearMakeModelSub Model
2021DodgeChallengerR/T
2021DodgeChallengerR/T Scat Pack
2021DodgeChallengerR/T Scat Pack Shaker Widebody
2021DodgeChallengerR/T Scat Pack Widebody
2021DodgeChallengerScat Pack 392
2021DodgeChallengerScat Pack 392 Widebody
2021DodgeChallengerT/A 392 Widebody

Quick Specs

  • Country of Origin: US
  • Sold As: Kit
  • Availability: Available
  • Universal: No
  • Cylinders: 8
  • Harmonized Tariff Code: 8512204040
  • Part Number : PKITCHALV821-I3

Important Notes

ATTENTION STATE OF CALIFORNIA CONSUMERS

WARNING: Cancer and reproductive harm –

Modified PCM and inTune i3 Combo Compatible with 2021 5.7L/6.4L Challenger DiabloSport

Fits 2021 Dodge Challenger R/T Scat Pack Shaker Widebody 392 T/A
4.9257075471698 848 5
98.514150943396%
4.9/5 out of 848 Company Reviews. Rating:
Modified PCM and inTune i3 Combo Compatible with 2021 5.7L/6.4L Challenger DiabloSport
1599.95In stock
Fits 2021 Dodge Challenger R/T Scat Pack Shaker Widebody 392 T/A
  • Brand : DiabloSport
  • SKU : PKITCHALV821-I3-CLNS
  • Part Number : PKITCHALV821-I3
$1,599.95

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Product Details

The Diablo Sport in Tune i3 + Unlocked PCM Kit is the complete performance tuning package for 2021 Dodge Challenger models equipped with the 5.7L or 6.4L HEMI

With locked factory PCMs limiting tuning, this kit provides everything you need to safely unlock your Challenger's full performance potential.

Preloaded with dyno-tested performance tunes, the in Tune 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

For enthusiasts who want more flexibility, the Platinum i3 supports CMR custom tuning, enabling dyno-proven calibrations tailored for bolt-ons or advanced modifications Built-in data logging and diagnostic tools make it easy to monitor and refine performance as your build evolves

This kit includes the in Tune i3 handheld programmer and a Diablo Sport Modified PCM shipped via a one-time cross-shipment, allowing you to start tuning right away while keeping your stock PCM safe and unaltered

For 2021 Challenger HEMI owners who want power you can feel, sharper drivability, and tuning flexibility, the in Tune i3 + Unlocked PCM Kit is the ultimate upgrade

  • 2021 Challenger 5.7/6.4
  • Available tunes: 93 Octane Diablo Tune, 91 Octane Tune, Performance
  • 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 Degree-230 Degree for use with cooler t-stat
  • Tire Size Adjustment 20 Inch-44 Inch, allows for correcting speedometer for different tires
  • WOT Fuel Adjustment - 1-7K RPM +/- 20 percent, allows for fine tuning Air/Fuel Ratio
  • WOT MBT Spark 1-7K RPM +/- 10
  • WOT Spark - 1-7k RPM +/- 10
  • Windshield mount included
  • Control MDS and traction control on/off
  • in Tune 3 packed with preloaded tunes and end user adjustments
  • Full color touch screen device
  • Wi Fi update capability
  • Multi-license capability
  • Datalogs
  • Reads/clears DTCs
  • Includes PCM Preprogrammed for your vehicle
  • Unlocked for use with Dablo Sport devices
  • OEM replacement
  • Removal/Installation videos available on our You Tube channel

Details:

  • Fuel Type: Gas
  • CARB (California) Compliant: No
  • Body Material: ABS
  • 5 Volt Data Logging Inputs: Yes
  • 50 State Legal: No
  • AC Adapter: No
  • Accepts Custom Tunes From CMR: Yes
  • Case Included: No
  • Color Touch Screen Display: Yes
  • Custom Tuning: Yes
  • Data Logging: Yes
  • Emission Code: 7
  • Erases Fault Code: Yes
  • Grade Type: Performance
  • Instruction Manual Included: Yes
  • Performance Tunes: Yes
  • Personal Computer and Mac Compatible: Yes
  • Product Type: Tuner/PCM Pkgs.
  • Software Included: Yes
  • Speedometer: Yes
  • Sub Category: Engine Service
  • Systems Covered: Transmission Engine
  • Upgradable: Yes
  • Wi-Fi Updates: Yes
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