Unlock AND Tune your 2020-2023 6.6L L8T powered Silverado or Sierra, in your driveway with Trinity 2!
The DiabloSport Trinity T2 9266-R Kit is the breakthrough tuning solution for 2020–2023 GM 6.6L L8T gas trucks, finally giving owners the ability to unlock performance in these previously restricted platforms. This complete kit includes the industry-leading Trinity T2 on-dash tuner, plus the required locksmith device and harness to unlock your truck’s ECM.
- 2020-2023 Silverado 2500-3500 6.6 L8T
- New ‘Keep Drive Mode Setting’ allows you to select a drive mode and it will remember that mode next time you start the truck!
- Transmissions adaptive relearn
- 2020-2023 Sierra 2500/3500 6.6 L8T
- Customizable gauge layouts and background images
- Supports our Expandable Accessory System
- Includes windshield mount
- 28 rwhp over stock on premium fuel
- 50 rwtq over stock on premium fuel!
- TCM Firm and Hard shift tune options for transmission
- ECM unlock included!
- Support for 6.6L L8T gas applications with 6 speed transmission
- Unlock and Tune, at home!
- Preloaded tunes for multiple octane levels
- Full color, 5" touchscreen
- Front/Rear TPMS threshold adjustment
- Throttle Boost setting for adjustable throttle feel
- Adjust speedometer for larger tires (26"-38")
- Calibrate speedometer for gear change (3.42-5.13)
- Remove speed limiter for increased top speed
- Adjust engine rev limiter for increased RPM range (+/- 400 RPM)
- Adjust engine idle speed in Park/Neutral and Drive
Application Summary:
| Year |
Make/Model |
| 2020-2023 |
Chevrolet Silverado 2500 HD |
| 2020-2023 |
Chevrolet Silverado 3500 HD |
| 2020-2023 |
GMC Sierra 2500 HD |
| 2020-2023 |
GMC Sierra 3500 HD |
| Attributes |
| 5 Volt Data Logging Inputs |
Yes |
| 50 State Legal |
No, No |
| AC Adapter |
No |
| Accepts Custom Tunes From CMR |
Yes, Yes |
| Alerts and Records |
Yes, Yes |
| Auto Dimming Screen |
Yes, Yes |
| Body Material |
ABS |
| Brand |
DiabloSport, DiabloSport |
| California Proposition 65 |
Yes |
| CARB (California) Compliant |
No, No |
| Case Included |
No |
| Category |
Tuners and Programmers, Tuners and Programmers |
| Check Clear DTCs |
Yes |
| Color Display |
Yes |
| Color Touch Screen Display |
Yes, Yes |
| Country of Origin (Primary) |
US |
| Custom Tuning |
Yes, Yes |
| Data Logging |
Yes, Yes |
| Emission Code |
7, 7, Not in CA |
| Erases Fault Code |
Yes, Yes |
| Fuel Type |
Gas, Gasoline |
| Grade Type |
Performance, Performance |
| Harmonized Tariff Code (Schedule B) |
8512204040 |
| Hazardous Material Code |
N |
| In Cab Monitoring |
Yes |
| Instruction Manual Included |
Yes, Yes |
| Life Cycle Status Code |
Available to Order |
| part type |
Computer Chip Programmer, Computer Chip Programmer |
| Performance Tests |
Yes, Yes |
| Performance Tunes |
Yes, Yes |
| Personal Computer and Mac Compatible |
Yes, Yes |
| Product Type |
Tuner, In-Cabin Tuner |
| Sale Category |
Tuners and Programmers |
| SDR Required Flag |
N |
| Software Included |
Yes, Yes |
| Speedometer |
Yes, Yes |
| Sub Category |
Engine Service, Engine Service |
| Systems Covered |
Transmission, Engine |
| Upgradable |
Yes, Yes |
| Video Capable |
Yes, Yes |
| Warning |
California Proposition 65, California Proposition 65 |
| Warranty Time |
1 |
| Wi-Fi Updates |
Yes, Yes |
| GTIN |
00810065217400 |
