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The Gibson single-side cat-back exhaust for 1977–1986 GMC C1500 (5.0L) upgrades low-end torque and acceleration with a rear exit that reduces cabin noise. Built with aluminized mandrel-bent tubing and a baffled Superflow™ muffler, it provides dependable flow improvements and typical horsepower gains around 10–15. The bolt-on design uses included hardware and factory-style hangers for simple installation.
Gibson 77-86 GMC C1500 Base 5.0L 3in Cat-Back Single Exhaust - Aluminized
