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The Gibson Dual Extreme cat-back exhaust for 2002–2005 Chevrolet Avalanche 1500 (5.3L) is an aluminized dual-exit system aimed at drivers seeking bold looks and a powerful street tone. Positioned behind the rear tires at an aggressive angle, it delivers dyno-tested gains averaging 15–20 hp. Polished stainless clamp-on tips and a mean Superflow CFT muffler provide an aggressive sound with minimal interior drone and bolt-on installation with lifetime limited warranty.
Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Aluminized
