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Fitment

YearMakeModelSub Model
2020-2023GMCSierra 3500 HDAT4
2020-2023GMCSierra 2500 HDAT4
2020-2023ChevroletSilverado 3500 HDWT
2020-2023GMCSierra 2500 HDSLT
2020-2023GMCSierra 3500 HDSLT
2020-2023GMCSierra 3500 HDSLE
2020-2023GMCSierra 2500 HDSLE
2020-2023ChevroletSilverado 3500 HDLTZ
2020-2023ChevroletSilverado 2500 HDLTZ
2020-2023ChevroletSilverado 2500 HDLT
2020-2023ChevroletSilverado 3500 HDLT
2020-2023ChevroletSilverado 3500 HDHigh Country
2020-2023ChevroletSilverado 2500 HDHigh Country
2020-2023GMCSierra 3500 HDDenali
2020-2023GMCSierra 2500 HDDenali
2020-2023ChevroletSilverado 2500 HDCustom
2020-2023ChevroletSilverado 3500 HD
2020-2021GMCSierra 3500 HD
2020-2021GMCSierra 2500 HD
2020-2023ChevroletSilverado 2500 HDWT
2022-2023GMCSierra 3500 HDPro
2022-2023GMCSierra 2500 HDPro

Quick Specs

  • Country of Origin: US
  • Sold As: Kit
  • Availability: Available
  • Universal: No
  • Cylinders: 8
  • Harmonized Tariff Code: 8512204040
  • Part Number : 9266-R

Important Notes

ATTENTION STATE OF CALIFORNIA CONSUMERS

WARNING: Cancer and reproductive harm –

Trinity 2 GM 6.6L L8T Gas Unlock and Tune Kit Unlock and Tune your 2020-2023 6.6L L8T powered Silverado or Sierra, in your driveway with Trinity 2! DiabloSport

Fits 2020-2023 GMC Sierra 3500 HD AT4 2500 Chevrolet Silverado WT SLT SLE LTZ LT High Country Denali Custom 2020-2021 2022-2023 Pro
4.9257075471698 848 5
98.514150943396%
4.9/5 out of 848 Company Reviews. Rating:
Trinity 2 GM 6.6L L8T Gas Unlock and Tune Kit Unlock and Tune your 2020-2023 6.6L L8T powered Silverado or Sierra, in your driveway with Trinity 2! DiabloSport
949.95In stock
Fits 2020-2023 GMC Sierra 3500 HD AT4 2500 Chevrolet Silverado WT SLT SLE LTZ LT High Country Denali Custom 2020-2021 2022-2023 Pro
  • Brand : DiabloSport
  • SKU : 9266-R-CLNS
  • Part Number : 9266-R
$949.95

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Product Details

The Diablo Sport 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.

Once unlocked, the Trinity T2 delivers dyno-tested performance tunes for 87, 91, and 93 octane fuels, along with two transmission tunes to refine shifting and drivability

Drivers can also take advantage of custom tuning support through Diablo Sport's CMR tuner network, making it easy to build dyno-calibrated files for bolt-ons or advanced upgrades

User-adjustable features include throttle response, tire size calibration, speed limiter removal, and DFM disable New features for these trucks include last mode recall and Auto Start/Stop retention, so your truck always drives the way you want

Beyond tuning, the Trinity T2 serves as a powerful digital monitor The vibrant five-inch color touchscreen displays real-time engine data with customizable gauge layouts, logs performance for playback with DV2 software, and allows you to set alerts for key parameters

With built-in Wi-Fi and Expandable Accessory System (EAS) support, the T2 keeps your truck connected, customizable, and up to date

For GM truck owners ready to unlock power, refine shifting, and take full control, the Diablo Sport Trinity T2 9266-R Kit delivers the performance upgrade you've been waiting for

  • 2020-2023 Silverado 2500-3500 6.6 L8T
  • 2020-2023 Sierra 2500/3500 6.6 L8T
  • 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!
  • Unlock and Tune, at home!
  • Preloaded tunes for multiple octane levels
  • Full color, 5 Inch touchscreen
  • Support for 6.6L L8T gas applications with 6 speed transmission
  • Front/Rear TPMS threshold adjustment
  • Throttle Boost setting for adjustable throttle feel
  • Adjust speedometer for larger tires (26-38 Inch)
  • 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
  • New РІР‚пїЅKeep 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
  • Customizable gauge layouts and background images
  • Supports our Expandable Accessory System
  • Includes windshield mount

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
  • Alerts and Records: Yes
  • Auto Dimming Screen: 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 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: Transmission Engine
  • Upgradable: Yes
  • Video Capable: Yes
  • Wi-Fi Updates: Yes
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