2003-06 4.8 5.3 6.0, 8.1 Fly-by-Wire Computer

Tuning and drive-ability are the main concern of any 2003-2006 4.8, 5.3, 6.0, 8.1 enthusiast. At SSW, we have calibrated tens of thousands of GM engine computers. We correct gear and tire height calculators, cam specks, MAFS tables, emissions status, and timing based on your profile.

We also pay close attention to the operating requirements that your engine need and then cater the code accordingly. Every engine (like women) are different, we take the time to account for every parameter, this allows the engine to run at its best.

20 Added HP over factory
Correct OS to run your engine
2003-2006 ECM
VATS DELETE
Gear and tire correction
VIN update from GM Database
Warranty
Emissions delete