97-98 LS1 Corvette Tune Year_2021 Module / primary service number:

Module / primary service number: 12581598

4L 1999 Chevrolet P30 4

Years Make Model Engine / application notes 2005-2007 Chevrolet Cobalt 2

3L 1999 GMC Suburban 5

Programmed Engine Computer for 2016 - 2017 Charger

97-98 LS1 Corvette Tune Year_2021 Module / primary service number:Stock LS1 engines typically yield 15 to 20hp and 25 to 30ft lbs of torque increase throughout the powerband, these numbers will increase accordingly depending on your modifications. We can make adjustments for various engine modifications as well as engine swaps. You will send us your computer or we can provide you with one. If you wish for us to send you a computer simply purchase one from our Factory ECM Category. Your computer will be adjusted per