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BD Diesel driver-side exhaust manifold for 2017–2020 Ford 3.5L EcoBoost is a direct-replacement manifold offering a thicker high-silicon ductile iron casting, two additional mounting holes and longer studs and spacers to better withstand thermal expansion. The design improves flow by about 16% versus OEM and includes gaskets and hardware; it replaces listed OEM part numbers and carries CARB EO D-553-27 where applicable.
BD Diesel 17-20 Ford Ecoboost 3.5L Exhaust Manifold Kit (Driver Side)
