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DiabloSport Trinity 2 GM 6.6L L8T Gas Unlock and Tune Kit for 2020-2023 Chevrolet Silverado and GMC Sierra 6.6L L8T (9266-R)

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$1,049.95
SKU: 9266-R
UPC: 810065217400
Current Stock:
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The DiabloSport Trinity 2 9266-R is an unlock-and-tune kit for 2020-2023 Chevrolet Silverado and GMC Sierra trucks with the 6.6L L8T gas engine. It includes the tuner and the required locksmith device and harness to unlock the truck’s ECM.

Overview

This kit is designed for 2020-2023 Silverado 2500-3500 and Sierra 2500/3500 trucks with the 6.6L L8T gas engine and 6-speed transmission.

On premium fuel, the listed gains are 28 rwhp and 50 rwtq over stock. Preloaded tunes are available for multiple octane levels, along with transmission shift tune options.

The full-color 5-inch touchscreen provides in-cab monitoring, data logging, and customizable gauge layouts. The kit supports at-home unlocking and tuning.

Features

  • ECM unlock included
  • Preloaded tunes for multiple octane levels
  • TCM Firm and Hard transmission shift tune options
  • Front and rear TPMS threshold adjustment
  • Adjustable Throttle Boost setting
  • Speedometer adjustment for 26- to 38-inch tires and 3.42-5.13 gear changes
  • Remove the speed limiter and adjust the engine rev limiter by up to +/- 400 RPM
  • Adjust engine idle speed in Park/Neutral and Drive
  • Keep Drive Mode Setting remembers the selected drive mode at the next start
  • Transmission adaptive relearn
  • Expandable Accessory System support

What's Included

  • Trinity 2 tuner
  • Required locksmith device and harness
  • Windshield mount

Specifications

  • Brand: DiabloSport
  • Part number: 9266-R
  • Fitment: Unlock AND Tune your 2020-2023 6.6L L8T powered Silverado or Sierra, in your driveway with Trinity 2!
  • Emissions: Legal under the provisions of EPA's Tampering Policy - Not legal in CA
  • UPC: 810065217400

Want more than the preloaded tunes? Pair this with our Custom Diablo Tune, built for your exact parts and fuel by N2 Speed.

Frequently Asked Questions

Which vehicles does the DiabloSport Trinity 2 9266-R fit?

It fits 2020-2023 Chevrolet Silverado 2500-3500 and GMC Sierra 2500/3500 trucks with the 6.6L L8T gas engine and 6-speed transmission.

What performance gains are listed for this kit?

The listed gains over stock are 28 rwhp and 50 rwtq on premium fuel.

Is this product legal in California?

It is legal under the provisions of EPA's Tampering Policy, but it is not legal in California.

Emissions notice: not legal for sale or use in California or on any pollution-controlled vehicle where prohibited. Check your state's rules before ordering.

Fitment help: call 954-507-6261 or email sales@americanmuscleperformance.net with your VIN and we will confirm the right part before you order.

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