1999-2006 GMC Sierra 1500 Tuners

Performance tuning and calibration both improve through 1999-2006 GMC Sierra 1500 Tuners that reprogram factory computers. Multiple maps allow switching between economy, towing, and performance modes depending on your driving needs.

 

Pre-loaded tunes work okay for basic bolt-ons but custom dyno tuning extracts maximum power from your specific setup. Some tuners include features like speed limiter removal and tire size correction for lifted trucks.

 

Tuning software unlocks power from your engine and these come as individual parts or as complete 1999-2006 GMC Sierra 1500 Tuners & Throttle Enhancement packages that include throttle controllers too. Some people upgrade 1999-2006 GMC Sierra 1500 ECUs & Engine Management Systems for full standalone control, then add 1999-2006 GMC Sierra 1500 Cold Air Intakes for better breathing.