Having spent a fair bit of time with my JK on the 4WD dyno using the Superchips programmer.... i'd say the potential is pretty limited. The Superchips programmer does its job - but overall its a pretty small gain.
If the Superchips system didn't allow me to change speedo, type pressures, do diagnostics etc etc, and was just a tuner i'd not be happy.
Not trying to be negative....... I just don't think the return on your investment is going to be there.
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It seemed like a good idea at the time........
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