Stage 3's 5-Star Custom Tuning Step-by-Step: 1. Place your order for 5-Star's Custom Tunes. 2. Stage 3 sends you a "blank" tuner without custom tunes. 3. Connect your tuner to your truck and pull its ECU strategy code. 4. Fill out our online tune form with your info. 5. 5-Star creates your tunes, you will be emailed a link to download them. 6. Download 5-Star's tunes to your PC and then load them to your tuner using SCT's Device Updater Software. 7. Load your 5-Star Custom Tune of choice into your truck.