SKU: 5573 | UPC: 677418015843
Gibson 2007-2013 Chevrolet Avalanche LS 5.3L 2.25in Cat-Back Dual Split Exhaust – Aluminized
This dual split cat-back exhaust from Gibson transforms your 2007-2013 Chevrolet Avalanche LS 5.3L with an aggressive throaty sound and head-turning look. It fits select 2007-2014 Chevrolet Suburban 1500 and GMC Yukon XL 1500 models too, reducing backpressure for average gains of 15-20 horsepower and more torque. Dual stainless tips exit straight out the back for a clean factory-style appearance.
Key Features
- Aggressive Throaty Sound: Delivers deep muscle car rumble that intensifies under towing or heavy loads for noticeable presence on the road
- Power and Torque Gains: Mandrel-bent 2.25-inch tubing cuts backpressure to unlock average 15-20 horsepower increases verified by dyno testing
- Durable Aluminized Steel Build: Heavy-gauge aluminized steel resists rust and corrosion paired with polished stainless steel tips for long-lasting shine
- Accessory Compatibility: Designed to clear most factory bumpers, roll pans, and trailer hitches without modifications
- Bolt-On Installation: Direct-fit muffler and hangers use factory mounting points with no welding, cutting, or fabrication needed
Product Notes
- Exhaust tone grows louder during towing for improved engine breathing under load
- USA-made construction ensures consistent quality and performance
- Backed by Gibson Lifetime Limited Warranty against manufacturing defects
Installation Notes
- Professional installation recommended.
- Hassle-free bolt-on setup reuses OEM rubber hangers and clamps
- Fits over stock cat-back pipes with included hardware for secure mounting
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013 | Chevrolet | Avalanche | Black Diamond LS |
| 2013 | Chevrolet | Avalanche | Black Diamond LT |
| 2013 | Chevrolet | Avalanche | Black Diamond LTZ |
| 2007-2012 | Chevrolet | Avalanche | LS |
| 2007-2012 | Chevrolet | Avalanche | LT |
| 2007-2012 | Chevrolet | Avalanche | LTZ |
| 2007-2014 | Chevrolet | Suburban 1500 | LS |
| 2007-2014 | Chevrolet | Suburban 1500 | LT |
| 2007-2014 | Chevrolet | Suburban 1500 | LTZ |
| 2007 | Chevrolet | Suburban 1500 | Z71 |
| 2007-2014 | GMC | Yukon XL 1500 | SLE |
| 2007-2014 | GMC | Yukon XL 1500 | SLT |
Why Choose Gibson?
- Family-owned since 1967 with decades of exhaust engineering expertise
- Dyno-tested systems proven to deliver real-world power on GM trucks
- Precision mandrel bends maintain flow for consistent performance gains
Frequently Asked Questions
- Q: Does this fit 2013 Chevrolet Avalanche Black Diamond models?
A: Yes, Gibson 5573 fits 2013 Avalanche Black Diamond LS, LT, LTZ plus 2007-2012 LS, LT, LTZ models with 5.3L V8 - Q: What materials are used in construction?
A: 16-gauge aluminized steel tubing for the pipes and resonators with durable stainless steel 3.5-inch dual tips that resist corrosion - Q: What warranty coverage is provided?
A: Complete Lifetime Limited Warranty covers defects in materials and workmanship when installed and maintained properly
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure single box measuring 50in L x 16in W x 14in H
- Weight: 42 lbs
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