| Late model GM vehicles without removable chips require the use of the JET Power Control Module (PCM). The JET PCM provides the same type of Power Tuning as a JET chip and is the most sophisticated tuning device for late model GM vehicles available today. The JET PCM is a 20Mhz RISC computer that controls air/fuel, ignition advance and transmission tuning for the ultimate in power gains.
STAGE-1: Designed primarily for stock engines with no other modifications.
STAGE-2: Off-road use only. For vehicles modified with low restriction exhaust and low temperature thermostat.
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