DiabloSport PKITCHALV821-T2 Modified PCM & Trinity 2 Combo

Part # PKITCHALV821-T2 Be the first to write a review

Compatible with 2021 5.7L/6.4L Dodge Challenger

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Est. Ship Date: 08/15/2026

$1,749.95

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The DiabloSport Trinity T2 Platinum Performance Kit (PKIT) is the all-in-one tuning and monitoring solution for 2021 Dodge Challenger models equipped with the 5.7L or 6.4L HEMI. From the factory, these cars come with locked PCMs that prevent tuning—but this package includes a DiabloSport Modified PCM and the Trinity T2 Platinum handheld programmer, giving you everything you need to unleash your Challenger’s true performance.

Features:

2021 Challenger 5.7/6.4
Tunes for 91 and 93 octane fuel provided
Performance TCM tune for 8 speed transmission included
Adjust throttle response for optimal pedal feel
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
WOT Spark – 1-7k RPM +/- 10
Windshield mount included
Control MDS and traction control on/off
Includes PCM programmed to your vehicle and Trinity 2
No vehicle downtime for tuning!
Preloaded with multiple performance tunes
Read/clear DTC codes
Customizable gauge layouts
Upload your own background images
Adjust Rev Limiter in Drive/Neutral by +/- 500 RPM
Disable Traction Control/ESP
Raise or Lower Idle Speed by +/- 400 RPM
Required bypass module or cable is included
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

5 Volt Data Logging Inputs	Yes
50 State Legal	No
AC Adapter	No
Accepts Custom Tunes From CMR	Yes
Alerts and Records	Yes
Auto Dimming Screen	Yes
Body Material	ABS
Brand	DiabloSport
CARB (California) Compliant	No
Case Included	No
Category	Tuners and Programmers
Color Display	Yes
Color Touch Screen Display	Yes
Custom Tuning	Yes
Data Logging	Yes
Emission Code	7
Erases Fault Code	Yes
Fuel Type	Gasoline
Grade Type	Performance
In Cab Monitoring	Yes
Instruction Manual Included	Yes
part type	Computer Chip Programmer
Performance Tests	Yes
Performance Tunes	Yes
Personal Computer and Mac Compatible	Yes
Product Type	In-Cabin Tuner
Software Included	Yes
Speedometer	Yes
Sub Category	Engine Service
Systems Covered	Engine
	Transmission
Upgradable	Yes
Video Capable	Yes
Wi-Fi Updates	Yes
UPC	810065212832
California Proposition 65 Required	Yes
Warning	California Proposition 65
Part Number	PKITCHALV821-T2

This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020. The company has reasonable basis (test results) to verify that this product allows the vehicle to operate within legal emissions standards and is therefore legal to be sold for on-street use in all states that accept the legal provisions of the Clean Air Act and the EPA Tampering Policy. This product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA. Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending with CARB. Once testing is complete with California, and an E.O. number is issued, this product will be updated to 50-state legal status.

Instructions - T2_user_guide.pdf

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.

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Some parts are not legal for use in California or other states with similar regulations.