Features & Details: 
30% CFM Increase over Stock Manifolds
Port Matched Exhaust Manifold Runners
75% Thicker Manifold Flange 
Utilizes 3 additional exhaust stud locations for better seal
Cast with high silicone molybdenum to prevent warping under extreme heat
Upgraded Stainless Steel Exhaust Manifold Studs with integrated Hex installation head for easy installation
Includes New Studs, Spacers, Nuts, and MLS Gaskets
Fits the Following Vehicles with a 3.5 EcoBoost:
Ford F-150/Lobo 2011-2016
Ford Expedition 2015-2017
Ford Transit 2015-2024
Lincoln Mark LT 2011-2014
Lincoln Navigator 2015-2017
Replaces Ford OEM Part Numbers: 
BL3Z-9430-B
BL3Z-9430-D
BL3Z-9431-B
BL3Z-9431-D