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GFB Mitsubishi TD04 Internal Wastegate Actuator

Take control of your turbo with the GFB Mitsubishi TD04 Internal Wastegate Actuator. This high-performance actuator is designed to provide faster spool up, less boost taper at high RPM, and more stable boost control.

Featuring a unique diaphragm design, the WGA achieves the largest effective area with the smallest possible outside diameter, resulting in better boost control. The longest stroke of 18mm makes it suitable for controlling the largest of internal wastegates, or for further increasing boost pressure without changing springs.

  • Industry-first diaphragm design for better boost control
  • Longest stroke of 18mm for increased control and adjustability
  • Unique pivoting rod guide for low friction and superior wear resistance
  • No unnecessary bulk for a compact design
  • Adjustable base spring pressure for customizable performance
Make Model Year Type
Subaru Impreza 2002 WRX
Subaru Impreza 2003 WRX
Subaru Impreza 2004 WRX
Subaru Impreza 2005 WRX
Subaru Impreza 2006 WRX
Subaru Impreza 2007 WRX
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