FAST Programmers & Tuners 304001 XFI Street Engine Management System with Throttle Body Including the same 4150 flange throttle body as our EZ-EFI Fuel kits, this XFI Street system can...
FAST Programmers & Tuners 304001 XFI Street Engine Management System with Throttle Body Including the same 4150 flange throttle body as our EZ-EFI Fuel kits, this XFI Street system can support up to 650 HP. Like the EZ-EFI Fuel, this system self learns, but also allows for laptop tuning with the included C-Com software. FAST XFI Street Engine Management System (w/ Throttle Body)
