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In the case of our Rams, JET chips are junk. Cause more problems then they solve sometimes, and in many instances actually can hurt performance, depending on future upgrades. A tuner is the proper route to go, and not much more money.
+1 that Jet chips are junk.
hypertech is not much better. the speedo calibration is hit or miss and hypertech is not interested in making it always work. my speedo would not recalibrate, and hypertech says its because i have 2wheel ABS instead of 4wheel ABS.
