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! DiabloSport LmIIV~ or Red *Custom color requests

or Red *Custom color requests accepted*

Visible Upgrade

TAIL LIGHTS: 2x (One Set) Smoked 13-14 Mustang XB LED Facelift

Deployment of the mid merge allows the Sportback configurations to exist without any of resonators

Recommended Aftermarket Wheels: Icon Alloys - 17x8

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! DiabloSport LmIIV~ or Red *Custom color requestsThe Diablo Sport in Tune 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 in Tune i3 handheld tuner, along with Diablo Sport's exclusive locksmith device and harnesses required to unlock your ECM. Once unlocked, the in Tune i3 unleashes dyno tested tunes for 87, 91, and 93 octane