GrimmSpeed Boost Control Solenoid for Subaru Models Vehicle Fitment::2008+ STi (057007) H&R shot-peens the sway bars

H&R shot-peens the sway bars to increase durability and check for dimensional correctness

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

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

The integrated regulator on the FST-R can be vacuum referenced if 1:1 fuel pressure is required or ran static to mimic the stock system

GrimmSpeed Boost Control Solenoid for Subaru Models Vehicle Fitment::2008+ STi (057007) H&R shot-peens the sway barsThe 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