Radium FPR RA Fuel Pressure Regulator Kit - Subaru STI 08-21 Category_Catch Cans and Tanks Excellent throttle response

Excellent throttle response

35 lbs + Supercharged or Turbocharged forced induction

NOTE: It is advised that the fuel rails be mocked up on the engine before adapter fittings and fuel delivery accessories are purchased

Why place the guessing game with expensive rotating assembly when you can let the professionals handle it for you and give you a product that will perform with peace of mind that all checks have been carried out

Introducing our Heater Hose Kit

Radium FPR RA Fuel Pressure Regulator Kit - Subaru STI 08-21 Category_Catch Cans and Tanks Excellent throttle responseThis 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 the regulator and returning to the