Radium Engineering FPD-R Direct Mount 3/8 NPT Fuel Pulse Damper Kit test All Subaru XR turbos are

All Subaru XR turbos are shipped with an oil return flange and a set of -4 water fittings to create custom water feed/return lines

5L STi headgasket is multi-layered steel

The GrimmSpeed MBC allows you to raise OEM boost levels in a quick and efficient manner through superior boost range and ultra-fine resolution (

Tracked equipped with the Hawk Blues will see consistent

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Radium Engineering FPD-R Direct Mount 3/8 NPT Fuel Pulse Damper Kit test All Subaru XR turbos arePart #: 20 0178 The opening and closing of fuel injectors creates pressure pulses in the fuel rail which can lead to unstable fuel pressure. In order to achieve a safe and consistent rail pressure, a fuel pulse damper (FPD) is often necessary. The FPD's internal diaphragm will absorb oscillating pulses and stabilize fuel pressure. This correction can be measured throughout the RPM range and can often help idle surge, especially with high flow