Radium Engineering Fuel Pressure Regular Kit - 2008-2021 STI | 20-0965
SKU: RAD 20-0965$256.45 $269.95
This kit is designed for use in the USDM 08-21 Subaru WRX STi (EJ257 only). It 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 re-routes fuel to cycle through the fuel rails before reaching . . . Show More >
