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The Gibson single-side cat-back exhaust for 2002–2005 Chevrolet Avalanche 1500 (5.3L) enhances low-end torque and towing performance while keeping cabin noise subdued. Built with aluminized mandrel-bent tubing and a baffled muffler, it delivers reliable flow improvement and typical gains of 10–15 horsepower. The system includes hardware and factory-style hangers for straightforward installation.
Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 3in Cat-Back Single Exhaust - Aluminized
