The BD Diesel driver-side exhaust manifold for 2011–2016 Ford 3.5L EcoBoost corrects an OEM shortcoming by using all 11 available stud locations and thicker high-silicon ductile iron to resist thermal warping. Supplied with new studs, spacers, and nuts plus gasket-matched ports, it improves durability and exhaust flow for supported 2011–2016 Ford F-150 and related models.
BD Diesel 11-16 Ford F-150 3.5L Ecoboost Exhaust Manifold Driver Side