Exhaust Manifold Kit - Ford 6.7L Power Stroke F250 / F350 Pick-up 2011-2014 & F350 / F450 / F550 Cab & Chassis 2011-2016

Features 50-STATE LEGAL! Average flow increase of 9.3% (OEM avg 173cfm/port BD avg 189cfm/port) High-silicon ductile cast iron 75% thicker walls retain heat and prevents warping Machined thicker bolting flange Includes the longest stud and spacer kit that fits across all 8-cylinders Longer exhaust studs improve thermal durability Thick spacers are black oxide coated Designed using computation fluid dynamics High temperature POR 15 black coated Gaskets included: exhaust manifold, cross over tube, EGR port Fully EGR compatible ABOUT THIS PRODUCT BD focused on solving one of the Ford 6.7L common failures, the exhaust manifolds. Crafted with a heavy duty 0.275" thick-walled Hi-Silicon ductile casting, this makes these manifolds 75% thicker to combat cracking due to high exhaust temperatures. Thermal durability has been improved with longer exhaust studs and spacers plus thicker, more durable machined bolting flanges. Fully EGR compatible, BD's exhaust manifold set is the perfect