Cobb Tuning Fuel Rails/Line Kit Package - Subaru STI 08-21 Subaru Fuel Rails / Line Kit Package includes: Fuel Rails and the Fuel Rail Line Kit. The COBB Subaru Fuel Rails are constructed of 6061 Billet Aluminum and feature black anodizing with a laser etched COBB logo. Each rail comes with -8 AN to -6 AN... MSRP: Was: Now: $999.00 Add to Cart