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FAST 304003 XFI Street Enginemanagement System, 1 Pack (Retrofit) FAS-304003

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.
Pricing: $724.95

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Features & Benefits:

Perfect for custom individual runner induction systems
Easy-to-use software for novice & experienced tuners
Data logging makes tuning & troubleshooting easier
Advanced diagnostics help maintain peak performance
Direct plug-in capability w/ EZ-EFI Fuel wiring harness & throttle bodes; only need to replace ECU to upgrade system


  • FAS-304003
  • FAS-304003
  • F.A.S.T.
  • New


Shipping Information

  • Item Requires Shipping
  • 4.0 lbs.
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