The Gibson Super Truck cat-back exhaust for 2004 Ford F-150 XLT 4.6L delivers a loud, deep race-rumble tone with dual tailpipes that exit ahead of the rear tires for an aggressive look. Dyno results typically show 10–15 hp gains and 15–20 lb-ft more torque. This stainless system is bolt-on with included hardware, not recommended for towing, and is covered by a lifetime limited warranty; may exceed 95 dB.
Gibson 2004 Ford F-150 XLT 4.6L 2.5in Cat-Back Super Truck Exhaust - Stainless