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The Gibson single-exit cat-back exhaust for 2001–2005 Chevrolet Silverado 2500 HD (6.0L) provides a durable 4-inch flow path with aluminized tubing and a baffled muffler for strong low-end torque. Engineered to reduce backpressure and interior drone, it yields measurable towing and acceleration improvements, with typical gains reported in the mid-range. Installation is bolt-on with supplied hardware for a clean fit.
Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized
