Holley Sniper Stealth 4500 EFI for boost / nitrous, self tuning, 1500hp

Holley Sniper Stealth 4500 EFI for boost / nitrous, self tuning, 1500hp

Holley has mastered the carb replacement EFI system with their full featured and economical Sniper Stealth 4500 EFI system!

• Supports up to 800-1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
• Compatible with Draw through or Blow through forced induction applications
• 2.125" Throttle Plates, Flow 1440 CFM for large cubic inch engines
• 2.5Bar MAP Sensor
• Integrated ignition timing control
• Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input
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• Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
• -8AN Fuel Inlets
• High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
• Simple Calibration Wizard (Answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required
• Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
• The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn
• Built-in Single Stage Wet or Dry progressive nitrous control
• Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure or other critical information
• Six Programmable Ground Outputs, Five programmable ground inputs. These can be used to trigger or control external devices such as nitrous solenoids, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timing
• One +5v Reference Output - +5V Power Supply for 0-5v Sensors, One Sensor Ground - Ground supply for 0-5v Sensors
• Throttle body mounted ECU - no extra boxes to mount
• Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition and RPM)
• Required external fuel pressure regulator
• Customizable secondary fuel pump output (TPS, RPM or Boost enabled)
• User friendly Boost Control with handheld adjustability
• Free Software included comprehensive datalogging tool to help you maximize the performance of your engine
• Real-time datalogging to the included 3.5" Touch Screen, allows you to save information to the SD card without needing a communication cable
• 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
• Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange

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