Flex Fuel Conversion Kit

The Cobb Tuning Fuel Rail Line Kit provides essential fuel supply and return lines for high-flow fuel rail installations on the EJ257 platform. This kit is crucial for those looking to upgrade or rebuild their fuel rail system to support high-power applications or flex fuel conversions. Engineered for the 2008-2021 Subaru WRX STI, this kit ensures proper fuel delivery for enhanced performance. It includes all necessary fittings and hardware, simplifying the installation process. The black finish offers a clean aesthetic under the hood. The fitting diameter is -6AN, a common standard for performance fuel systems. Cobb Tuning, established in 1999, has a strong reputation for developing performance software and hardware for turbocharged vehicles. Their integrated approach to product development means that hardware components like this fuel rail line kit are validated as part of a complete system, ensuring consistent and reliable results.