Day: March 11, 2023
Radium FPR Fuel Pressure Regulator Kit BLACK for Subaru STI 08-21 EJ257
Radium FPR Fuel Pressure Regulator Kit BLACK for Subaru STI 08-21 EJ257. 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 […]