Subaru WRX STI Fuel Rails - COBB - 08-21. Purpose-built rails that help deliver consistent fuel to your EJ-powered STI, suitable for stock refreshes and performance-focused builds.

Engineered by COBB, these billet aluminum rails provide a high-flow path and even distribution across cylinders for dependable fueling under increased demand. Precision machining and an anodized finish add durability and corrosion resistance. Designed for the 2008-2021 WRX STI with top-feed injectors, they mount cleanly and pair well with common aftermarket fuel line solutions, offering a solid foundation for upgraded pumps and injectors when tuning for higher output or alternative fuels with the proper supporting components.

Features

• CNC-machined billet aluminum construction
• Anodized finish for long-term durability
• High-flow design for consistent, balanced delivery
• Vehicle-specific fitment for 2008-2021 Subaru WRX STI (top-feed)
• Works with popular aftermarket fuel system upgrades

Have questions or planning a larger build? Call us and speak with a specialist. We have two locations offering installation and customization services: Austin, Texas at 512-982-9393 and the Los Angeles, California area at 562-981-6800.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov