SKU: 78587036744

Trinity 2 GM 6.6L L8T Gas Unlock and Tune Kit 9266-R

Sale price$472.48 Regular price$524.98
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Trinity 2 GM 6.6L L8T Gas Unlock and Tune Kit 9266-RThe 2020 2023 6. 6L L8T powered GM gas trucks have been locked down since their introduction. Owners of these trucks have been waiting patiently for a tuning solution, and DiabloSport has delivered in a big way! The new 9266 R kit includes our industry leading Trinity 2 on dash tuner, along with the locksmith device and harness required to unlock both the ECM in your truck. Once unlocked, the Trinity 2 offers up tunes for 87, 91 and 93 octane fuels,

The 2020-2023 6.6L L8T powered GM gas trucks have been locked down since their introduction. Owners of these trucks have been waiting patiently for a tuning solution, and DiabloSport has delivered in a big way! The new 9266-R kit includes our industry leading Trinity 2 on-dash tuner, along with the locksmith device and harness required to unlock both the ECM in your truck. Once unlocked, the Trinity 2 offers up tunes for 87, 91 and 93 octane fuels, as well as 2 transmission tunes to choose from. Beyond the preloaded tunes, we offer a host of user adjustable parameters, like throttle response, speed limit, tire size, and of course, DFM disable! We've even added some new features for drivers of these newer trucks, like the ability to recall your last mode setting, or to retain your auto-start-stop setting. Of course it doesn't stop there with T2. The full color, 5" touch screen allows you to keep an eye on all your vital engine data. The on-screen gauges deliver all the info you want to see, in real time. Of course, it can also record data for playback on our DV2 software for further analyzation. T2 also allows you to set up virtual alerts, and supports our Expandable Accessory System (EAS) for adding and logging additional external sensors. The device is internet updateable, either through our Update Agent software, or through its built in WiFi. Get power you can feel, with DiabloSport!


Features:

  • ECM unlock included!
  • Unlock and Tune, at home!
  • Preloaded tunes for multiple octane levels
  • Full color, 5" 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")
  • 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 ?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
  • Customizable gauge layouts and background images
  • Supports our Expandable Accessory System
  • Includes windshield mount

Specs:

Brand DiabloSport
Emission Code 7
Product Type Tuner
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78587036744

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BikerGuy
Draper, US
★★★★★ 5
fit for purpose
easy install. works great.
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Reviewed in the United States on March 2, 2026
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Linda Larpenter
Louisville, US
★★★★★ 5
Easy to install
As described
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Reviewed in the United States on March 25, 2026
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kore
Birmingham, US
★★★★★ 5
love it.
This filter fits a 2008 Lexus RX400h perfectly and gives the fresh, clean air. I recommend it.
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Reviewed in the United States on February 1, 2026
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Randy Reed
Fort Morgan, US
★★★★★ 5
Good quality filter. Fair price.
Size: (Pack of 1)
Fit right, easy to install, high quality filter. The oil change places make their money on these add-ons. We let them check it at oil change time but order online, get it the next day, and do our own replacement in minutes. Money saver IMO.
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Reviewed in the United States on November 1, 2025
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Terry Godbey
Alexandria, US
★★★★★ 5
Great filter for the price
Size: (Pack of 1)
Fits perfectly for 2019 Honda Accord. Works as well as own filters
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Reviewed in the United States on February 15, 2026

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