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The GFB WGA internal wastegate actuator for 2007–2016 Mitsubishi EVO X replaces the factory turbo actuator and is a bolt-on upgrade that requires tuning. Its long 18mm stroke and compact diaphragm design increase control authority and allow finer boost adjustment via supplied spring combinations and turnbuckle preload, enabling quicker setup of base boost pressure without frequent spring swaps.
GFB 07-16 Mitsubishi EVO X (4B11T) WGA Wastegate Actuator (Tune Required)
