GrimmSpeed Boost Control Solenoid Adapter Only Subaru WRX 2015-2021 FA20 | 057047 Vehicle Model_STI The Competition Clutch stage 4

The Competition Clutch stage 4 is perfect for those looking to replace a clutch in their modified Evolution without breaking the bank

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

- Over 10 degrees

and is legendary within the world of motorsports for the ability to precisely control boost pressure as well as turbine flow under the most demanding conditions

GrimmSpeed Boost Control Solenoid Adapter Only Subaru WRX 2015-2021 FA20 | 057047 Vehicle Model_STI The Competition Clutch stage 4Fitment 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