The Gibson Dual Split system for 2011–2013 Ford F-150 King Ranch 5.0L is described in the source as a single-side-style cat-back that exits behind the rear tire and focuses on low-end torque and horsepower gains (typically 10–15 hp and 15–20 lb-ft). This stainless system provides quieter in-cab operation and bolt-on installation with professional-looking results, no welding required, and is backed by a lifetime limited warranty.
Gibson 11-13 Ford F-150 King Ranch 5.0L 3in/2.5in Cat-Back Dual Split Exhaust - Stainless