SUB000FSYS / SUB000FSFF - COBB Fuel Rail and Fuel Line Installation Instructions
2008 - 2019 Subaru STI
Congratulations on your purchase of the COBB Tuning fuel rails and fuel lines package! The following instructions will assist you through the installation process. Please read them BEFORE beginning the install to familiarize yourself with the steps and tools needed. If you feel you cannot properly perform this installation, we HIGHLY recommend you take the vehicle to a qualified and experienced automotive technician.
Assemble the provided ID1050x injectors, injector spacers (0.625", larger sized version for the ID1050x injectors), injector pigtails, socket head bolts, and o-rings onto the fuel rails.
Gently place the assembled driver and passenger side fuel rails on the motor. Once oriented, you'll give a gentle push to fully seat the injectors.
Subaru Installation Instructions
Main Installation Instruction Repository for Subaru Parts
Link to Subaru Map Notes to see what map you should be on given the parts you've added