Hi Please i need base tune for magnuson 1.9L rotrix sc Gmc sierra 2005 4.8 Thank you
click hear-> https://magnusonsuperchargers.com/pages/support
GM Gen4 Injectors v2.1.xls
Originally Posted by blindsquirrel click hear-> https://magnusonsuperchargers.com/pages/support I was talk with him , he not supply calibrations for supercharger kits after the first owner