Flashpaq tuning for 2019-2020 GM Silverado and Sierra 1500 is finally here! Available for 5.3L & 6.2L applications, part number 2847-S offers max gains of as much as 45-rwhp! With all the calibration features and improved drivability you'd expect from Superchips.

High Definition 2.8 Inch Color Screen; Increased Memory For Faster Processing; Speedometer Correction For Changes In Tire Size/Gear Ratio; Adjustable Axle Gear Ratio; Speed/Rev Limiter Options Based On Fitment; TPMS Options Based On Fitment; Adjustable Shift Points/Shift Firmness; Adjustable Daytime Running Lights; Reads And Clears Diagnostic Trouble Codes; Internet Updatable