The Gibson Dual Extreme cat-back exhaust for 1999–2004 Ford F-250 Super Duty Lariat 6.8L is a stainless bolt-on system that exits behind the rear tires for an aggressive stance and robust tone. Mandrel-bent tubing and a baffled Superflow CFT muffler deliver a throaty sound while keeping cabin noise controlled. Typical dyno-tested gains of 15–20 horsepower; installation is bolt-on with included hardware and covered by a lifetime limited warranty.
Gibson 99-04 Ford F-250 Super Duty Lariat 6.8L 2.5in Cat-Back Dual Extreme Exhaust - Stainless