GrimmSpeed Boost Control Solenoid for Subaru Models Vehicle Fitment::2008+ STi (057007) 50% greater capacity than stock

50% greater capacity than stock plastic expansion tank

both of which are crucial to maintaining proper air fuel ratios and preventing check engine lights that plague competitors

4 black pieces and 2 metal washers for a set of 2 inserts

• Clears Room for Larger Turbos

82 11102010149 E Cover V-Band T3 Inlet (Stainless Housing) V-Band T3 Outlet (Stainless Housing)

GrimmSpeed Boost Control Solenoid for Subaru Models Vehicle Fitment::2008+ STi (057007) 50% greater capacity than stockThe GrimmSpeed 3 port electronic boost control solenoid (EBCS) for Subaru WRX, STi and Legacy GT models will allow for extremely high resolution boost control, providing your tuner with the hardware they need to safely tune your car with rock solid boost levels. You'll be able to spool your turbo quicker and maintain tight control of boost levels throughout your power curve. In addition, this solenoid features a balanced valve to withstand up to