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2020-2023 GM 2500/3500 6.6 Gas inTune 3
DiabloSport
2020-2023 GM 2500/3500 6.6 Gas inTune 3
Part # 8266-R
$977.95
In Stock
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.
Features
2020-2023 Silverado 2500/3500 6.6 L8T
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
2020-2023 Sierra 2500/3500 6.6 L8T
Air Filter Monitor system control
Transmissions adaptive relearn
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
