The AMS 08+ Subaru STI Fuel Pressure Regulator Kit is designed for anyone running an upgraded fuel pump and or fuel injectors. Whether you are running too rich and need to back off the fuel pressure or if you are running too lean on your current injectors and need to raise base fuel pressure, this is the system for you!  A vibration resistant, liquid filled fuel pressure gauge is included allowing you to monitor your fuel pressure.  Requires no cutting or modifications to your vehicle for easy installation and/or removal.

Features
Raise, lower or monitor your fuel pressure
No cutting or modifications needed for easy installation and/or removal

Kit Includes
Fuel Lab 1:1 Black fuel pressure regulator
Liquid-filled fuel pressure gauge
Return line to mate up to the factory steel line
Line and fittings to bolt up to any stock or stock replacement fuel rail.
Mounting plate

All necessary hardware
Detailed installation instructions available online
Specifications
-6 AN fittings
0-100 psi fuel gauge

Applications
2008 + Subaru STI