I just recently installed an APEXI Neo Air/Fuel controller in response to the $4+ gas price. I believe that our cars run rich from the factory. By controlling the Air Flow, I can lean out the mixture using less fuel and also probably gaining a few hp. I'm still waiting for my wideband O2 sensor so I can properly tune this thing. Wiring was straight forward. The only problem I ran across is that the Service Manual states that the MAF wire signal was yellow but actually, it was blue.
In the future, I will be using a more advanced piggy back for my turbo project.
I know you guys love pics....: