Review on π Innovative Performance Chip/Power Programmer for Subaru Outback 2.4L, 2.5L, 3.0L, and 3.6L - Enhance Fuel Efficiency, Save Gasoline & Boost MPG, Amplify Horsepower & Torque! by David Thornton
Not a legitimate product
This is not a chip. It's a small box with an electrical component called a resistor (which costs pennies in bulk) that you connect to either a coolant temperature sensor or an intake air temperature sensor. The resistance distorts the numbers your engine computer reads from the sensor. You will not see any noticeable increase in performance or fuel economy as a result.
- Engine Management Systems
- Almost everything is fine
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