STM Mild Steel Exhaust Manifold Head Flange for 4B11 Evo X Motul Wastegate Flange Options:

Wastegate Flange Options:

Full bolt-on installation with a respectable exhaust note quieted by the dual silencers

including signals sent to the E-Gear and S-Tronic ECU

Also if the fuel is allowed to get too hot

• Meets or exceeds all specifications from the Original Equipment Manufacturer

STM Mild Steel Exhaust Manifold Head Flange for 4B11 Evo X Motul Wastegate Flange Options: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