The PERRIN Performance™ scion fuel rail is for the enthusiast looking to push their scion to the edge. The Scion stock fuel rail cannot support upgrades to the fuel system. (IE-injectors, computer, fuel pump.) PERRIN Performance™ has designed a fuel rail, which includes a 200% larger bore without sacrificing wall thickness. The PERRIN™ fuel rail will support even the highest flowing fuel injectors to produce maximum horsepower. For an easy installation, PERRIN™ designers have incorporated an OEM type quick disconnect to the hard fuel line at the firewall. That means that the PERRIN™ fuel rail is plug and play. Easy additional horsepower this direct replacement fuel rail installs in minutes.