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The Gibson Super Truck cat-back exhaust for 2005–2008 Ford F-150 FX4 5.4L offers a loud, deep sound with dual tailpipes exiting ahead of the rear tires and stainless tips for a bold look. Dyno-tested gains average 10–15 hp with 15–20 lb-ft torque increases. This bolt-on stainless system requires no welding, is not recommended for towing, and is backed by a lifetime limited warranty; noise may exceed 95 dB.
Gibson 05-08 Ford F-150 FX4 5.4L 2.5in Cat-Back Super Truck Exhaust - Stainless
