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CSP2026

DiabloSport 8266-R - inTune 3 for 2020-2023 6.6 L8T Unlock and Tune Kit

DiabloSport  |  SKU: DIAB-8266-R
Sale price $86895 Regular price $97795

DiabloSport is one of our favorite brands!

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.

THIS ITEM HAS A STRICT RETURN POLICY
Programmers and Tuners have a strict return policy. Once the seal is broken, they can not be returned. This is because they may be locked and unusable. Make sure it will work on your car prior to ordering.

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

DiabloSport 8266-R - inTune 3 for 2020-2023 6.6 L8T Unlock and Tune Kit

inTune 3 for 2020-2023 6.6 L8T Unlock and Tune Kit

Unlock AND Tune your 2020-2023 6.6L L8T powered Silverado or Sierra, in your driveway with inTune 3!

The DiabloSport inTune i3 8266-R Kit is the breakthrough tuning solution for 2020–2023 GM trucks equipped with the 6.6L L8T gas engine. These trucks shipped with locked PCMs that blocked tuning—until now. This complete kit includes the powerful inTune i3 handheld tuner, along with DiabloSport’s exclusive locksmith device and harnesses required to unlock your ECM.

  • 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
  • Tunes for 87 octane, and premium fuel provided
  • ECM unlock included!
  • Unlock and Tune, at home!
  • Preloaded tunes for multiple octane levels
  • Support for 6.6L L8T applications with 6 speed Transmission
  • 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
  • ‘Keep Drive Mode Setting’ allows you to select a drive mode and it will remember that mode next time you start the truck!
  • Adjust fueling at WOT in multiple RPM ranges
  • Calibrate spark timing at WOT across multiple RPM ranges
  • Front/Rear TPMS threshold adjustment
  • Air Filter Monitor system control
  • Transmissions adaptive relearn
5 Volt Data Logging Inputs: Yes
50 State Legal: No
AC Adapter: No
Accepts Custom Tunes From CMR: Yes
Body Material: ABS
Brand: DiabloSport
CARB (California) Compliant: No
Case Included: No
Category: Tuners and Programmers
Color Display: Yes
Color Touch Screen Display: Yes
Custom Tuning: Yes
Data Logging: Yes
Emission Code: 7
Erases Fault Code: Yes
Fuel Type: Gasoline
Grade Type: Regular
Grade Type: Performance
In Cab Monitoring: No
Instruction Manual Included: Yes
part type: Computer Chip Programmer
Performance Tunes: Yes
Personal Computer and Mac Compatible: Yes
Product Type: Handheld Tuner
Software Included: Yes
Speedometer: Yes
Sub Category: Engine Service
Systems Covered: Transmission
Systems Covered: Engine
Upgradable: Yes
Video Capable: No
Warning: California Proposition 65
Wi-Fi Updates: Yes

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