By installing an uprated WGA, it would allow boost to hold longer at a desired PSI, would it also cause the car to run leaner at the same time?

 

The boost will have a DIFFERENT response than stock.

The boost will come on quicker and you will access different load tables within the ECU. Quite possibly and probably throwing CEL codes without proper tuning for the airflow limits.

We stock and USE Forge billet CNC piston type high boost actuator. Let us know if anyone is interested. Send us a PM.