Are you looking to convert your draw-through dual carbureted blower engine to EFI? Do you want a Tunnel Ram setup with Sniper Dual Quad™? Are you putting together a twin-turbo blow-through setup? Look no further! The Sniper EFI 2x4 system features 8, 100LB/HR Fuel Injectors capable of supporting 1250 HP on both naturally aspirated and forced induction applications. The Sniper EFI 2x4 was designed for use on naturally aspirated engines, while the Super Sniper EFI 2x4 system was developed for naturally aspirated, draw-through supercharged, and blow-through turbocharged applications. The Super Sniper EFI 2x4 system is equipped with an internal 2.5bar MAP sensor that is ready to be boost referenced out of the box, supporting up to 21.5 psi of boost on boosted applications. For applications making more than 21.5 psi of boost, the Super Sniper EFI 2x4 system has three additional 0-5v Sensor Inputs which can be used for an external MAP Sensor as well as oil pressure and fuel pressure. So now that you're up to speed on the 2x4 Sniper systems, let's talk overall Sniper! Holley's Sniper EFI is the absolute best way to upgrade your car to fuel injection with just 4 simple connections required. Each 4-barrel system features a dual pattern bolt on design built to fit on intake manifolds with flange spacing between 6.43"-13.5" (Includes most Edelbrock Manifolds). Sniper is designed to be installed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos. An afternoon in the garage and you will be enjoying improved engine performance, better MPG's and easier starting. Featuring a throttle body mounted ECU with no extra boxes to mount. After the simple installation it's time to let your Sniper begin the self-tuning process. Our user-friendly calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. You don't have to be a computer wiz or specialize in tuning to use a Sniper EFI system! Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. Sniper EFI is part of a complete ecosystem! Your new Sniper kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body & Digital Dash to unlock the full potential of your build. Complete your fuel injection journey by checking out our full offer of ignition, fueling and accessories!