7.3L Custom Calibrations - Modified Injectors For optimal performance and drivability, these tunes utilize the MAP sensor, therefore a boost fooler is highly recommended. Brian Jelich has been tuning the 7.3 Powerstroke since 2010 and perfecting the art of custom tuning to match each...

7.3L Custom Calibrations - Modified Injectors This package includes 6 custom tunes by JeliBuilt Performance pre-loaded on a brand-new Power-Hungry Performance Hydra Chip. For optimal performance and drivability, these tunes utilize the MAP sensor, therefore a boost fooler is highly recommended. Brian Jelich has been...