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If you've surpassed the capabilities of our standard Sniper EFI systems, we have several choices in our Super Sniper and XFlow lineups to support up to 1375 horsepower! We even have a Super Sniper Stealth to help you maintain a classic look in your engine bay while supporting up to 1250 horsepower. Check out the sections below to see which Sniper EFI System best suits your application.

Super Sniper EFI 650

  • 650 HP version features four 100 Lb/Hr Injectors
  • Compatible with Draw-Thru or Blow-Thru forced induction applications
  • User-friendly Boost Control with handheld adjustability
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time – Same popular boost control offered in Holley HP and Dominator EFI systems!
  • 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI
  • Dry or Wet Nitrous Support
  • Built-in Single stage progressive nitrous control
  • Progressive or Non-Progressive control strategies
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
Shop Super Sniper EFI 650

Super Sniper EFI 1250

  • 1250 HP version features eight 100 Lb/Hr Injectors (Forced Induction)
  • The 800 CFM Main Body will support 650 Horsepower Naturally Aspirated and up to 1250 in boosted applications
  • Compatible with Draw thru or blow thru forced induction applications
  • Built-in Single stage progressive nitrous control
  • Programmable inputs and outputs
  • Integrated ignition timing control for precise timing curves
  • User-friendly Boost Control with handheld adjustability
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time – Same popular boost control offered in Holley HP and Dominator EFI systems!
  • 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI
  • Built-in Single stage progressive nitrous control
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
  • Six Programmable Ground Outputs
  • One Sensor Ground – Ground supply for 0-5v Sensors
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
Shop Super Sniper EFI 1250

Super Sniper EFI Stealth 650

  • Supports up to 650hp with Four 100 Lb/Hr Injectors
  • 2.5 Bar MAP sensor supports up to 21.5 psi of boost
  • All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
  • Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
  • Six Programmable Ground Outputs
  • One +5v Reference Output - +5V Power Supply for 0-5v Sensors
  • One Sensor Ground – Ground supply for 0-5v Sensors
  • Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI e.g. part # 12-886.
Shop Super Sniper EFI Stealth 4150 - 650HP

Super Sniper EFI Stealth 1250

  • Supports up to 650 hp naturally aspirated and 1250hp in boosted applications with Eight 100 Lb/Hr Injectors
  • All of the wiring exits below the rear fuel injector cover, for a completely stealth installation
  • Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
  • Six Programmable Ground Outputs
  • One +5v Reference Output - +5V Power Supply for 0-5v Sensors
  • One Sensor Ground – Ground supply for 0-5v Sensors
  • Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
Shop Super Sniper EFI Stealth 4150 - 1250HP

Sniper XFlow

  • The base Sniper XFlow supports up to 800 horsepower in all applications with four 120 lb/hr injectors
  • The Sniper XFlow 1375 supports up to 800 horsepower naturally aspirated and 1375 horsepower in forced induction applications with eight 120 lb/hr injectors
  • Compatible with Draw through or Blow through forced induction applications
  • 2.5 Bar MAP Sensor can handle up to 21.5 psi of boost
  • Built in Single stage progressive nitrous control
  • User friendly Boost Control with handheld adjustability
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time.
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
  • Six Programmable Ground Outputs
  • One +5v Reference Output - +5V Power Supply for 0-5v Sensors
  • One Sensor Ground – Ground supply for 0-5v Sensors
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP or 12-851 for 1000+ HP.
Shop Sniper EFI XFlow
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