Cobb 08-21 Subaru STI Fuel Rail Line Kit

Complete your upgraded fuel system with the COBB Tuning Fuel Rail Line Kit for the 2008–2021 Subaru STI. Designed to work with COBB Fuel Rails and supporting fuel system components, this kit provides a clean, reliable solution for routing fuel throughout high-performance applications. Featuring high-quality fuel lines and fittings, the COBB Fuel Rail Line Kit is engineered to maintain consistent fuel delivery while supporting increased fuel demands from upgraded turbochargers, larger injectors, and ethanol-based fuel setups. Its direct-fit design helps simplify installation while providing the durability required for demanding street, track, and competition environments. Whether you're upgrading your STI for increased horsepower or building a complete E85 fuel system, the COBB Fuel Rail Line Kit provides the reliability and performance needed to support your build.