Optimized for maximum power from 7000 to 10000 RPM the Victor X manifold is designed for turbo and all-motor applications on the Honda/Acura B-Series engine. Engineered for high perfomance and race set-ups, this manifold has four additional bosses for nitrous or added fuel injectors. Includes four extra machined injector bosses and a matching machined extruded aluminum fuel rail. Victor X is 7.5lbs lighter than stock and accepts oversized throttle bodies out of the box. Match with the Edelbrock 65mm throttle body for maximum power. Injectors and wiring are not included.