The auxiliary port is located on the top surface of the fuel rails, making this setup ideal for applications that would experience clearance issues with AVCS components. For applications that were top-feed injectors from the factory. CNC machined, anodized and compatible with E85.
2002-2014 Subaru Impreza
2007-2012 Subaru Legacy
Radium Engineering 02-14 Subaru WRX/STI Top Feed Fuel Rails (w/ Top Port)
SUB TOP PRT RAILS