Model 30012 Hypertech Programmer / Tuner for all 2002 Chevy / GM V-8 Gas Engines.
This enables you to add 40-50 More HP
50 -60 Ft Lbs Additional Torque
Turns off your Rev Limiter
Changes the Top Speed Limiter from stock 110 MPH to 128 MPH
Change shift points on your automatic transmission.
Set it to shift gears with a solid shift, like the old school B&M Street Strip shift kits did. Solid shift means less slip ,making your trans last longer.
Best part, if you want to put all your settings back to stock it takes like 5 mins
It was on my Dad's 2002 GMC Sierra 2500 3/4 Ton with the 6.0 Litre Engine.
He liked it, but Mom hated it. So it was installed for a couple days then it was put away.
$40 and it's yours