Quote:
Originally Posted by e34m5
What is the advantage of this.
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It allows you to supply enough fuel to a larger turbo. The stock DI system only has so much head room till the injectors and/or pump can't flow any more fuel. In a regular system you would just replace the fuel pump and injectors with larger units. (That's what I did when I went Stage 3 with my WRX.) With a DI system you can't really do that because of the pressures involved with the system.