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The Gibson single-side cat-back exhaust for 1999–2001 Chevrolet Silverado 1500 (4.3L) delivers improved acceleration and hill-climbing ability with low cabin noise. Its aluminized, mandrel-bent tubing and baffled muffler optimize flow for stronger low-end torque; dyno results support typical horsepower improvements around 10–15. Installation is straightforward with factory-style hangers and included hardware.
Gibson 99-01 Chevrolet Silverado 1500 Base 4.3L 3in Cat-Back Single Exhaust - Aluminized
