PULSAR LT FOR 2019-2022 GM 1500 5.3L/6.2L - $300

Originally bought for my truck but ended up selling the truck.
Never installed.
Copied from Range Technology website: The Pulsar LT is a new in-line module for 2019-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 5.
3L/6.
2L that offers complete adjustability of many features, all from your steering wheel controls.
Without modifying your truck's ECM, Pulsar LT offers you the ability to adjust throttle response, tire size, gear ratio, TPMS, and your top speed limiter.
Pulsar LT can also be used to disable Auto Start/Stop and Active/Dynamic Fuel Management.
It connects directly to the vehicle computer system, making installation a breeze and leaving your factory warranty intact.
And yes, it does work on 6.
2 10-speed models