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Superchips Flashpaq for 2020-2023 6.6L L8T Gas trucks with Unlock

Part # 2866-FSKU SUP2866-F

Set your vehicle above for a fit verdict. 6 vehicles listed below.

Specifications
BrandSuperchips
Part typeComputer Chip Programmer
5 Volt Data Logging InputsNo
50 State LegalNo
AC AdapterNo
Accepts Custom Tunes From CMRNo
Body MaterialABS
BrandSuperchips
CARB (California) CompliantNo
Case IncludedNo
CategoryVehicles, Equipment, Tools, and Supplies
Color DisplayYes
Color Touch Screen DisplayNo
Custom TuningNo
Data LoggingYes
Emission Code7
Erases Fault CodeYes
Fuel TypeGasoline
Grade TypePerformance
In Cab MonitoringNo
Instruction Manual IncludedYes
part typeComputer Chip Programmer
Performance TunesYes
Personal Computer and Mac CompatibleYes
Pods and Mounts AvailableNo
Product TypeHandheld Tuner
Software IncludedYes
SpeedometerYes
Sub CategoryEngine Service
UpgradableYes
Video CapableNo
Wi-Fi UpdatesNo
UPC / GTIN00810065217417
WarrantyManufacturer's 1 Year Warranty
  • Supports 2020-2023 Silverado/Sierra 2500/3500 6.6 L8T
  • Up to 28 RWHP/50 RWTQ over stock on premium fuel
  • Performance TCM tune for optimized transmission behavior
  • Correct Speedometer for Tire Size
  • Set final drive ratio
  • Adjust Rev Limiter
  • Set Idle RPM in Drive/Neutral
  • Remove Speed Limiter
  • Adjust Throttle Sensitivity
  • Recall Last Mode Setting
  • Front/Rear TPMS Threshold Adjustment
  • Transmission Adaptive Relearn
  • Crank Position Sensor Relearn
  • Control Intake Filter Monitor system
  • Monitor real-time data
  • Read and clear DTCs

Description

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!

Fits these vehicles 6

YearMakeModelSubmodelEngine
2020 - 2023ChevroletSilverado 2500 HDCustom, High Country, LT, LTZ, WT6.6L 401 V8
2020 - 2023ChevroletSilverado 3500 HDBase, High Country, LT, LTZ, WT6.6L 401 V8
2020 - 2021GMCSierra 2500 HDAT4, Base, Denali, SLE, SLT6.6L 401 V8
2022 - 2023GMCSierra 2500 HDAT4, Denali, Pro, SLE, SLT6.6L 401 V8
2020 - 2021GMCSierra 3500 HDAT4, Base, Denali, SLE, SLT6.6L 401 V8
2022 - 2023GMCSierra 3500 HDAT4, Denali, Pro, SLE, SLT6.6L 401 V8