Flowtech headers are the perfect combination of performance and value. Flowtech shorty headers are precision engineered using mandrel bent tubing, formed collectors and 3/8 flanges for a leak-free seal. Header gaskets are included for a simple installation. This header is coated in a high heat resistant silver ceramic coating for an OE appearance. CARB EO # D-115-28. Features: Shorty design headers for popular 2011-17 F-150 5.0L V8 Coyote equipped engine. Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity Heavy duty 16-gauge tubing for increased strength and durability Smooth transition, 1.625 diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response Machined 3/8 header flanges for a leak-free seal and maximum strength Premium aluminum header gaskets included
