as it says, have brand new unused rb25/20 6Boost split pulse manifold T4 flange, fits on rb30det setup as its wat its comin off, has 60mm Turbosmart Powergate with flanges and springs etc also brand new, any questions just ask, great manifolds cant speak high enough of them, this will only be replaced by another one, chasing 1800 slightly neg o4o2 865151