The Nitrous Express HEMI Plate System includes a billet aluminum nitrous plate that fits between the throttle body and intake manifold making installation quick, easy, and attractive. This system includes jetting for 50, 100, 150, 200, 250, 300, 350, and 400hp. This system is configured as a single stage system by default with 50-400hp jetting. This system includes the latest technology and the best components available. NX Lightning solenoids feature an improved flow path that eliminates sharp turns and expansion areas in the nitrous flow path.