AMS Performance 03-07 Misubishi EVO VIII/IX CNC Machined Aluminum Fuel Rail - RedThe AMS EVO IV V VI VII VIII IX Fuel Rail provides increased fuel flow which is necessary at higher boost levels. This CNC? d aluminum rail comes anodized in Red, Black or Silver and includes our signature AMS turbo logo. With a 13mm diameter inlet and outlet it dwarfs the stock rail by over 160% in flow area. This is true bolt on part that will install with your factory fuel lines, fuel pressure regulator and works with all factory style fuel