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The Gibson single-side cat-back exhaust for 1996–1999 Chevrolet Astro (4.3L) is tuned for improved low-end torque and acceleration, with the outlet positioned behind the rear tire for a quiet cabin. Dyno testing shows strong torque and horsepower in the 1800–3000 RPM range, with typical gains of 10–15 hp and 15–20 lb-ft of torque. It installs bolt-on with factory-style hangers.
Gibson 96-99 Chevrolet Astro Base 4.3L 3in Cat-Back Single Exhaust - Aluminized
