Sniper Stealth 4500

The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. This system also comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine.

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Stealth 4500

Sniper EFI Stealth 4500 -

  • Supports up to 1500 naturally aspirated HP or 1250 in forced induction applications with eight 100 lb/jr injectors
  • Compatible with draw-through or blow-through forced induction applications
  • 2.125” throttle plates flow 1440 CFM for large displacement engines
  • Integrated ignition timing control when used with Hyperspark or MSD Pro-Billet distributors
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI
  • Throttle body mounted ECU – no extra boxes to mount

Holley Sniper Stealth 4500 EFI

Holley How To: Install Sniper EFI

The NEW Holley SNIPER STEALTH EFI 4500 - Holley EFI Engineer Adam Layman

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