Exhaust Header Turbo Manifold Flange Univeral Precision CNC Laser cut here in the USA. Full 1/4" thick for warp free performance. Snug 1.75" OD tube fit makes for easy fab work or 1.875 surface mount. MCXC'16496/16497 - Complete bolt hole inclusion fits most all current known Duratec / MZR exhaust flanges including Mazdaspeed turbo. Will not fit Ecoboost 2.0. MCXC'17027 For all 7.3 and 6.8 Ford Gas Godzilla V8 engines found in F250 F350 etc. Build it your self weld up.