Turbo XS 15-21 Subaru WRX FA20 Boost Control Solenoid Kit Other Electronics Stuff and makes a great compliment

and makes a great compliment to the PRL Matte Carbon Fiber High-Volume Intake System

25 inch offers a sprung central hub which provides dampening for vehicles retaining standard transmissions in motorsport applications

you must also purchase the oil pump chain tensioner

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

Turbo XS 15-21 Subaru WRX FA20 Boost Control Solenoid Kit Other Electronics Stuff and makes a great complimentFITS: 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.