2017-2020 F-150 3.5L Passenger Side Exhaust Manifold (1043062)Receive performance and durability with BD Diesel's enhanced Exhaust Manifold (Passenger Side), specifically designed for the Ford 3. 5L EcoBoost engine. This BD upgraded manifold addresses common exhaust manifold bolt failures by incorporating two additional bolt holes and utilizing extended fasteners and spacers (15mm longer) to better withstand thermal expansion. BD has engineered this manifold to flow 16% better than the original equipment