fuel pump?
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2/4 wheel cornering fiend
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the closer you run near 15 psi on the stock fuel system and ecu, the closer you are to running too lean. i think the reason you were told that is because if you are running a downpipe and midpipe you basically have no back preassure and could easily cause boost spikes. a bigger fuel pump is just extra security since at 15psi your injectors and nearing the limit. I think you should look into getting a new ECU if you want to run a midpipe. people call it the 3mod rule, if you have changed 3 things, then you need a PFC.
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