Check out Skunk2 Racing Ultra Bottom Fed intake manifold Low-poly 3D model on CGTrader for $39.5. High-quality mesh by ark3d: 4229 polys, 4806 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 868 KB), OBJ (OBJ, filesize: 648 KB), FBX (Autodesk FBX, filesize: 279 KB), STL (Stereolithography, filesize: 428 KB), 3DS (3D Studio, filesize: 305 KB), TEXTURES (Textures, filesize: 636 KB)