The latest fuel delivery system from FAST is a tunable ECU based on EZ-EFI Fuel hardware and harnessing but with learning capability similar to XFI Sportsman and XFI 2.0 options. The XFI Street Engine Management System provides a cost-effective option for those customers who don't need the most high-end system but want complete control. Since XFI Street uses the same wiring as the EZ-EFI it could easily be installed in place of an existing EZ-EFI ECU. Utilizing included C-Com software XFI Street can easily deal with even the most challenging engine combinations. The XFI Street Engine Management System has data logging capability when connected to a laptop. It is intended only for naturally aspirated engines. In this Kit for the unit comes with an EZ-EFI four-injector throttle body and harness. Also available with a multi-port harness or in a retrofit kit for adding an XFI Street ECU to an existing EZ-EFI installation.

• Perfect for custom individual runner induction systems


• Easy-to-use software for novice and experienced tuners


• Data logging makes tuning and troubleshooting easier


• Advanced diagnostics help maintain peak performance


• Direct plug-in capability with EZ-EFI Fuel wiring harness and throttle bodies; only need to replace ECU to upgrade system