Aeroflow Mitsubishi Evolution 10 4B11 Stainless Steel Header Flange (AF9551 1017SS)

Custom build your exhaust or turbo manifold with high quality Aeroflow components. Aeroflow CNC header flanges are manufactured from 9.5mm (3/8") thick stainless steel. They are precision-cut to meet your ports, reduce warping, and prevent leaks. The Aeroflow header flanges are offered in a variety of header flange sizes and shapesto mate your cylinder heads and headers/manifolds to meet your exhaust building needs.