The Gibson Dual Extreme cat-back exhaust for 2005–2006 Ford F-250 Super Duty XL 6.8L is a bolt-on system that delivers an aggressive angled exit and a powerful street tone with dyno-tested gains averaging 15–20 hp. Aluminized construction, polished stainless tip and a mean Superflow muffler provide bold looks and sound. Includes factory-style hangers and hardware; no welding required and backed by a lifetime limited warranty.
Gibson 05-06 Ford F-250 Super Duty XL 6.8L 2.5in Cat-Back Dual Extreme Exhaust - Aluminized