Manufactured from SUS304 stainless steel this manifold features mandrel bent pipes for maximum flow and increased horsepower. Designed to suit generation 1 and 2 3S-GTE engines (ST185 Celica GT4 and SW20 MR2. It comes complete with T3 turbo flange, allowing you to remove the somewhat restrictive CT26 turbo and install an internally gated T3 or T3T4 turbo.