Blox Racing (BXFL-00011) T3 5-Bolt Discharge Flange for Ford Also fits other turbos with T3 5-bolt housings, including: T3, T3/T4, GT28RS, GT2871R, GT25/40R, GT30R, GT3071R, GT3076R and GT35R Designed for street and track Mild steel, 1/2 inch thickness 2.5 inch taper for downpipe