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1st Gen Ram Tech'93 & older Rams: This section is for TECHNICAL discussions only, that involve 1993 Rams and older. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Snake oil. The PCM will eventually override what the JET is doing.
Exactly- You may or may not notice an improvement as soon as you put it on, but the PCM will see the changes and compensate to bring operations back into its pre-programmed range. Waste of money, big time.