Shorty Performance Headers for Ford F150 (2011-2017) 5.0L EngineStainless Steel Shorty Headers for Ford F 150 5. 0L V8 (20112017) These shorty headers are designed to replace the factory cast iron exhaust manifolds on 20112017 Ford F 150 models equipped with the 5. 0L Coyote V8 engine. The headers use mandrel bent stainless steel tubing to reduce exhaust restriction and improve exhaust gas flow. This results in measurable gains in horsepower and torque, particularly in the low to mid RPM range, along with improved