Radium Engineering FPR Kit Black Subaru STI 2008-2017 vendor_Injen Subaru Impreza WRX 2002-2005

Subaru Impreza WRX 2002-2005

blue and red

Designed for street

No need to re-torque

Radium Engineering FPR Kit Black Subaru STI 2008-2017 vendor_Injen Subaru Impreza WRX 2002-2005Part #: 20 0265 00 This kit is designed for use in the USDM 2008 2017 Subaru WRX STi (EJ257 only) and replaces the OEM fuel pressure regulator and damper assembly, shown below. The factory STi fuel line routing uses a quasi dead end system that circulates fuel through the regulator, bypassing the engine. Fuel is only routed to the engine when there is demand. The Radium FPR kit replaces the factory regulator and re routes fuel to cycle through the