The Gibson Dual Sport cat-back exhaust for 1987–1992 Ford F-150 Custom 4.9L adds rear styling with an exit behind the rear tire and a deep authoritative tone while preserving quieter cabin sound. Dyno-tested for increased horsepower and torque (avg. 10–15 hp and 15–20 lb-ft), it uses aluminized mandrel-bent tubing, a baffled Superflow muffler and polished clamp-on tips. Bolt-on installation with included hangers and lifetime limited warranty.
Gibson 87-92 Ford F-150 Custom 4.9L 2.5in Cat-Back Dual Sport Exhaust - Aluminized