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On the intake side
Designed to work in conjunction with other APR components to increase the aerodynamic refinement
Includes a filter and hardware as well as the post-pump filtration required when using the Radium Fuel Pump Hanger
so the Basic was made in order to simplify the product and eliminate any feature that may not be used for your average street car that is not going for track performance
Radium Fuel Rails Top Feed Upgrade - Subaru Models (inc. 2002-2014 Subaru WRX / 2007+ Subaru STI) Cobb Accessports On the intake sideThis is the Radium Engineering Top Feed Fuel Rail Upgrade w Top Port. This kit will allow you to upgrade to a larger variety of fuel injector sizes while having a larger internal bore size needed to support all necessary engine power requirements. These rails are CNC machined from solid 6061 aluminum materials and are black anodized and laser etched for a high quality surface finish. These rails are designed specifically for OEM or equivalent fitment