GrimmSpeed Electronic 3-Port Boost Control Solenoid Kit Subaru WRX 2015-2021 FA20 | 057041 vendor_Comp1 Clutch Solid bushings lock the subframe

Solid bushings lock the subframe in place

The body and all internal components are CNC-machined from 6061 aluminum alloy

residue and oil from degrading fuel quality

This kit uses the same Race Engineered SFI approved pressure plate as stage 3 daily package

the block must be machined

GrimmSpeed Electronic 3-Port Boost Control Solenoid Kit Subaru WRX 2015-2021 FA20 | 057041 vendor_Comp1 Clutch Solid bushings lock the subframeFitment Information: 2015 2021 Subaru WRX Please note: Will only fit with the factory composite turbo inlet. Features: The advantages of a 3 port electronic boost control solenoid (EBCS) vs. the factory 2 port system are readily apparent during the tuning process. The 3 port systems works by interrupting the boost signal traveling from the turbo to the wastegate. That boost is redirected back into the turbo inlet and re ingested by the turbo using our