Hypertech ThermoMaster Power Chip for GM Cars and VansThermoMaster Power Chips are the most powerful chip you can run on the street. Used in conjunction with Hypertech PowerStat thermostats (sold below), your engine will perform at its best with cooler, denser air and improved spark timing and air/fuel ratios. NOTE: These ThermoMaster chips are NOT CARB exempt. They are NOT available for use in California or other emissions controlled areas or for emission controlled vehicles. See below for CARB exempt ThermoMaster chips. Reference notes for applications can be found above. | ||
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