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The GFB WGA internal wastegate actuator for 2008+ Mitsubishi Lancer Ralliart (4B11T) replaces the factory actuator and requires tuning. It uses a compact diaphragm design and an 18mm rod travel to provide increased control authority over the wastegate, improving adjustability. The actuator includes multiple spring options and a turnbuckle adjustment for faster base boost tuning without frequent spring changes.
GFB 2008+ Mitsubishi Lancer Ralliart (4B11T) WGA Wastegate Actuator (Tune Required)
