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The Gibson Dual Split cat-back exhaust for 2002–2005 Chevrolet Avalanche 1500 (5.3L) is an aluminized dual-exit system engineered to reduce backpressure and deliver an aggressive throaty sound. Dyno-tested gains typically fall in the 15–20 hp range with added torque. Stainless dual tips exit straight out the back, and a baffled Superflow muffler keeps cabin noise controlled. Installation is bolt-on with no welding and includes a lifetime limited warranty.
Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized
