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Am I correct in thinking you have basically four options for MPG display?
1. Factory-installed instrumentation
2. MPGuino for non-ODB, about $50, 4-wire install
3. ScanGauge2 for ODB2, about $150, plug&play
4. UltraGauge for ODB2, about $70, plug&play
So if you don't have ODB2 port, your only option is MPGuino? And besides supporting Darin and Ben and this website, what other advantages does SG2 offer over UltraGauge that is half the cost?
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