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Gibson

Gibson 07-12 Chevrolet Avalanche LS 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized

$1,523.91 $663.73 Save $860.18

SKU: G003 5573

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 5573

For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the back. Works with most bumpers, roll pans and trailer hitches. Exhaust sound is louder under towing conditions. Hassle Free bolt- on installation. No welding required. Backed by a Lifetime Limited Warranty.

Features:

  • Aluminized Mandrel Bent Tubing
  • Superflow (TM) Muffler
  • Baffled/Chambered Muffler; No Internal Packing
  • Minimal Interior Drone - Aggressive Sound
  • Polished Stainless Steel Slash-Cut Tips
  • Hassle Free Easy Bolt-On Installation
  • Lifetime Limited Warranty

Cat-Back Dual Split Exhaust System | Aluminized

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Dual Split Aluminized Cat-Back Performance Exhaust. Engineered for maximum power, aggressive sound, and standout style. Features a Gibson Superflow Muffler for deep, aggressive exhaust note with minimal cabin drone. Constructed from mandrel-bent Heavy Duty Aluminized Steel Tubing. Includes all hardware and factory-style hangers for easy bolt-on installation (no welding required). Exits straight out the back. Dyno-proven to deliver 10-15 horsepower and 15-20 lb-ft of torque.

Fitment

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Specifications

BrandGibson
Part NumberG003 5573

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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