Vibrant 6 into 1 SS Turbo Manifold Collector T4Vibrant Performance Turbo Manifold Merge Collectors are constructed from 304 Stainless Steel Schedule 10 pipe. Each component is precision 3D laser cut to create a tight fitment and assemblies are tack welded for ease of adjustability. Available in 4 into 1 and 6 into 1 configurations. 6 Into 1 Turbo Manifold Merge Collector; 1. 875 in. Pipe OD; 4. 25 in. Collector Height; 2. 938x2. 25 in. Collector Outlet Dimensions; For T4; Tack welded so a