BD Diesel Exhaust Manifold for Ford 3.5L Ecoboost 11-Stud Improved Flow

BD Diesel Exhaust Manifold for Ford 3.5L EcoBoost (11-Stud) — Improved Flow & Durability Upgrade your 2011–2016 Ford 3.5L EcoBoost with a direct-fit exhaust manifold engineered to correct a common OEM shortcoming. BD Diesel’s 11-stud manifold uses all factory-threaded locations for a more secure seal, reduced warping and longer-lasting performance. Direct replacement: Fits 2011–2016 Ford 3.5L EcoBoost heads using all 11 factory stud locations. Improved flow: Internal geometry optimized to reduce backpressure and improve exhaust scavenging. Thermal durability: Cast from thicker-walled, high-silicone ductile iron to resist thermal warping and cracking. Complete kit: Includes 22 exhaust spacers and 22 Class 8.8 studs to reinforce mounting and enhance longevity. Easy installation: Direct bolt-on design for a reliable fit and seal—no head modifications required. Fix the weak points of the OE manifold and prevent broken studs, warped flanges and blown gaskets. BD Diesel’s improved manifold delivers the strength and exhaust flow your EcoBoost should have left the factory with. Key benefits: Better sealing, reduced maintenance, improved exhaust efficiency and long-term reliability.