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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: SCI2866-F Manufacturer Sku #: 2866-F
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$749.95 On Sale! $673.95
2020 - 2021 Chevy Silverado 2500
2020 - 2021 Chevy Silverado 3500
2020 - 2021 GMC Sierra 2500
2020 - 2021 GMC Sierra 3500
2022 - 2022 Chevy 2500
2022 - 2022 GMC 2500
2023 - 2023 Chevy Silverado 2500 HD
2023 - 2023 Chevy Silverado 3500 HD
2023 - 2023 GMC Sierra 2500 HD
2023 - 2023 GMC Sierra 3500 HD
Product Name: Superchips Flashpaq with ECM Unlock - 2020-2023 GM 6.6L L8T Gas Trucks Manufacturer: Superchips Manufacturer Part #: 2866-F Thoroughbred Diesel Part #: SCI2866-F Fitment Notes: 2020-2023 GM 6.6L L8T Gas Trucks
Unlock and tune your 2020-2023 GM L8T powered truck at home with our 2866-R Flashpaq kit! We provide our industry exclusive Locksmith device and ECM harness with our popular Flashpaq handheld device to give you the ability to tune without removing the ECM. Once unlocked, the provided tunes can add solid power to your 6.6L gas truck, while also improving throttle response, shifting, and more. Tunes for 87 octane, and premium fuel are provided, as well as tunes for the 6 speed transmissions. We even provide adjustments like throttle boost, speed limiter and tire size to name a few!
Superchips Flashpaq with ECM Unlock Features:
Specs
Emissions
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.