The flange is CNC plasma cut from 3/8th ( 0.375"0) approximetely 10mm, 1018 mild steel. Internal primaries are 35mm internal diameter, 1.290 inches. Made from mandrel bent schedule 40 pipe, this heavy-duty 4 into 1 tubular turbo manifold will last for years even in the harshest environments. Ceramic coated and fully wrapped in heat resistant Kevlar. Comes standard with a T-3 flange that will allow you to run a large variety of turbos. This manifold can be utilized with turbos that are equipped with internal wastegates and has provisions for an external wastegate. Comes standard with an extra wastegate flange and a wastegate block-off plate.
