2011-14 Ford F-150 5.0L 2WD/ 4WD Screw/ Scab Truck. This 3" exhaust system is constructed of 304L stainless steel, and exits out the side behind the passenger rear tire. Featuring dual smooth tube mufflers with 3-1/2" slash-cut, polished tips. For use with Stainless Works' True-Dual Performance Connect headers.