Upgrade your 2011 - 2016 Ford F - 150 with a 3.5L EcoBoost engine. Replace the weak OEM exhaust manifold with BD's high - performance exhaust manifold kit. This kit uses 11 studs instead of 8, enhancing strength, durability, and exhaust flow while resisting thermal warping. It features 3 additional exhaust stud locations, 15mm longer exhaust studs with spacers, and includes new studs, spacers, and nuts. The thick - wall high - silicon ductile cast iron construction is highly resistant to thermal warping. It replaces Ford OEM part numbers like BL3Z - 9430 - B, BL3Z - 9430 - D, etc. and fits various Ford and Lincoln models from 2011 - 2023. Part Number: 1043001.

Using this exhaust manifold kit is simple. First, make sure your vehicle is turned off and cooled down. Remove the old OEM exhaust manifold following the standard procedures. Then, install the new BD exhaust manifold kit using the included studs, spacers, and nuts. Ensure all parts are properly tightened. Note that this kit is designed to fit specific Ford and Lincoln models from 2011 - 2023, so double - check your vehicle's compatibility before installation. For maintenance, regularly check the tightness of the studs and nuts. If you notice any signs of damage or excessive wear, replace the parts as needed. Keep the manifold clean to ensure optimal performance.