G Force Performance chip

I think it's too good to be true. I'd stay away.
If you check for each different make of car, it says the same gains can be made.
 
These chips are bogus. Its a old trick from back in the day. The intake air temp IAT is a resistive sensor that changes with the air temperature entering the engine. When the air is cooler it is also denser and changes the ECU fuel curve to compensate for a more oxygen rich mixture. You can pretty much get the performance from this chip by placing a resistor in line with the IAT sensor. If you measure the resistance across the IAT at different temperatures you can come up with a linear graph of temperature vs resistance. Just add the resistance for the temperature you would like to simulate.

With my experience this mod really doesn't make much difference.
 
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