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

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

Mfg Part #
8266-R
NP#
DIA8266-R
Brand
DiabloSport

Fits 2020 to 2023 Chevrolet Silverado 2500 HD, Silverado 3500 HD; 2020 to 2023 GMC Sierra 2500 HD, Sierra 3500 HD. See every vehicle

  • 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
$1,298.99 CAD
Free shipping in Canada
Availability: Product is backordered at the supplier right now, availability is unknown at this time. Contact us
Book installation at our Service Centre

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Description

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.

Warranty: Manufacturer's 1 Year Warranty

Fits these vehicles

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

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