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!
• Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects
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