Turbo XS 15-21 Subaru WRX FA20 Boost Control Solenoid Kit Other Electronics Stuff Our Flow Control Valves are

Our Flow Control Valves are still a significantly less sensitive system than the factory delay valve

it is not the best option for high horsepower builds and hard driving

The concave face of this 57DR is the most popular feature of this wheel design

Front Pipe - 6

Weight savings are also improved

Turbo XS 15-21 Subaru WRX FA20 Boost Control Solenoid Kit Other Electronics Stuff Our Flow Control Valves areFITS: 2015 2021 Subaru WRX The TurboXS Boost Solenoid is an excellent upgrade for your FA20 WRX. It enables precise boost control and is easy to install mounting in the stock location and plugging directly into the stock harn.