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 Read File. 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 HP-Tuner's MVDI Software or a MicroSD Card. 7. Load your 5-Star Custom Tune of choice into your 7.3L Super Duty.
Warranty vs. Non-Warranty Tune Note: there is no difference in function, horsepower, or torque between Warrantied Custom Tunes and Non-Warrantied Custom Tunes. The only difference between the two, whatsoever, is that Warrantied Tunes will have less parameters (i.e. tire size, gear ratio, etc) open to end-user adjustment. Please call us directly at 623-434-5277 with any questions or concerns.