GrimmSpeed Boost Control Solenoid Adapter Only Subaru WRX 2015-2021 FA20 | 057047 Vehicle Model_STI The FR-S rear subframe uses

The FR-S rear subframe uses soft rubber bushings for noise isolation and comfort

Cut down on weight with this stylish stainless system and expect it to last

Will not work on Canada model GSR's

Recommended Use: normal commuting

GrimmSpeed Boost Control Solenoid Adapter Only Subaru WRX 2015-2021 FA20 | 057047 Vehicle Model_STI The FR-S rear subframe usesFitment Information: 2015 2021 Subaru WRX Features: The advantages of a 3 port boost control system (ebcs) vs. the factory 2 port system are readily apparent during the tuning process. The GrimmSpeed Turbo Inlet Adapter for the 3 port boost control solenoid has been designed to convert your solenoid setup into a 3 port system. Your factory boost control solenoid is a 2 port solenoid that is mounted directly to the plastic turbo inlet, and it