Sniper EFI Stealth 4500 comes in a throttle body injection style with an airflow rate of 1440 CFM. It is one of the best self-contained throttle body fuel injections on the market for engines above 800 horsepower. This EFI is equipped with a 2.5 Bar MAP Sensor, Integrated timing control, programmable launch control, and high-resolution screen for setup and tuning.

Being coupled with eight 100-pound per hour injectors, Sniper EFI Stealth 4500 can support up to natural applications between 800 to 1500 horsepower and 800 to 1250 horsepower on forced applications. The throttle body of Sniper EFI Stealth 4500 has a massive airflow of about 1440 CFM, which means 8 times more than that of Super Sniper EFI 4150.

Sniper EFI Stealth 4500 comes with multiple Input and Output options to control switched inputs and switched outputs for external relays. The USB to CAN tuning table and free Sniper EFI software helps you easily control the engine. With the self-tuning ECU of the Sniper EFI Stealth 4500, you don't have to be a pro or wizard to have EFI.

The patent-pending Sniper EFI Stealth 4500 features a Simple Calibration Wizard to answer your queries and create a base map to tune on its own. It is equipped with 0-5V Sensor Inputs for providing critical information like Nitrous pressure, and six programmable ground outputs, and five programmable inputs to control external devices.

Sniper EFI by Holley is the manufacturer of a wide range of Electronic Fuel Injection systems that are designed to bridge the gap between high-performance and affordability. Sniper EFIs are designed to let you have the ultimate performance upgrade and still have a budget remaining to upgrade your ride. Sniper EFIs are ideal for street rods, off-roading vehicles, muscle-cars, and a range of other carbureted vehicles.

All Sniper EFI products feature throttle-body mounted ECUs, thus ensuring that you do not have to mount any extra bouses. The ignition timing control as well as coil driver are integrated win the EFI. The OEM-level IAC/TPS, as well as fuel-pressure regulator, further add to the durability and longevity of the EFI system. Sniper EFI products are ideal for everyone from the casual driver to the professional racer

Holley has been the market leader in designing and manufacturing fuel systems for more than 100 years, and Sniper EFI is yet another example of what makes them the best in the market. Sniper EFI is your one-stop shop to get a complete overhaul for your fuel system- including everything from the fuel pump to intake manifolds, self-tuning system, and much more. Get the highest in quality and performance without paying the high price!