STM 4B11 Evo X Exhaust Manifold Head Flange

The STM 4B11 exhaust manifold head flange is made from mild steel and fits Mitsubishi 4B11 Evo X heads. The flange is machined for a perfect seat on your head and features a smooth exit port to match 1.5" schedule 10 piping. Vehicle Fitment: 2008-2015 Evolution X Purchase Includes: (1) Mild Steel Flange Features: • Mild steel • Machined head side • Ported exhaust side • Weighs 2.65 pounds • STM Products are made in the USA!