Optimize fuel delivery with high-performance fuel rails and fuel rail kits from IAG Performance, designed for the 2002–2023 Subaru WRX, Subaru WRX STI, Subaru Legacy GT, Subaru Forester XT, and Subaru BRZ. Whether you are upgrading your fuel system for increased horsepower or improving consistency in fuel delivery, aftermarket fuel rails play a key role in supporting performance builds.
Our selection includes fuel rails, fuel rail conversion kits, junction blocks, fuel plumbing kits, and adapters designed to improve fuel flow and distribution across all cylinders. Upgraded fuel rails are especially important in high-performance and turbocharged applications, where consistent fuel pressure and volume are critical for maintaining safe air-fuel ratios and reliable engine operation.
We carry trusted brands known for precision and quality, including Aeromotive, COBB, Perrin Performance, Radium Engineering, and more.
From direct replacements to complete fuel system upgrades, IAG Performance has the fuel rail components you need for consistent performance and long-term reliability.