This manifold is designed for the Eagle or WT Chrysler 5.7L, 6.1L and 6.4L Gen III HEMI engines with fuel injection. The overall design is similar to the factory 6.1L SRT intake manifold, but features relocated fuel injector bosses for improved flow and added nitrous bosses along the near vertical runners. The front inlet can accomodate the factory style 84mm throttle body or the 92mm Hellcat throttle body. In testing, the Victor EFI prototype made 25 hp over the stock intake manifold on a 6.4L engine. Manifold will clear most hoods without modifications. Fuel rail kit available separately. Throttle Body Recommendations: Factory OEM or aftermarket. Installation Notes: Port flanges have machined grooves to accept stock port seals. Manifold Dimensions: A-6.06", B-7.85", C-18.30", D-2.25", E-0°. Port exit dimensions: 1.83" x 1.85".