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SKU: 5574 | UPC: 677418015805
Gibson 07-12 Chevrolet Avalanche LS 5.3L 2.25in Cat-Back Dual Sport Exhaust - Aluminized
This Gibson cat-back dual exhaust system delivers style and performance to your Chevrolet Avalanche Suburban 1500 or GMC Yukon XL 1500 with 5.3L V8 engines from 2007-2014. It exits behind the rear tire for a standout look on street or trail while preserving towing capability. Dyno tests confirm average gains of 10-15 horsepower and 15-20 lb-ft torque with a deep authoritative tone and zero cab drone.
Key Features
- Bolt-On Installation: Direct fit using factory hangers no welding or cutting needed for professional results in hours.
- Performance Gains: Dyno-proven 10-15 HP and 15-20 lb-ft torque increases for stronger acceleration and towing.
- Sound Quality: Dual sport mufflers produce powerful deep exhaust note outside with no interior buzz or drone.
- Durable Construction: 2.25-inch aluminized steel tubing resists corrosion for long-lasting performance.
- Lifetime Warranty: Covers structural defects giving peace of mind for years of use.
Product Notes
- Side-exit design behind rear tire maintains ground clearance and trailer hitch access.
- Aluminized steel withstands harsh conditions without rust-through.
- MPN 5574 designed specifically for 5.3L V8 applications.
Installation Notes
- Professional installation recommended.
- Bolt-on process uses OEM mounting points no fabrication required.
- Compatible with stock catalytic converters and hangers.
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?
- 30+ years crafting American-made exhaust systems for trucks and SUVs.
- Every system dyno-tested for real-world power and sound gains.
- Precision mandrel-bent tubing ensures smooth flow and fit.
Frequently Asked Questions
-
Q: Will this fit my 2013 Avalanche Black Diamond LS 5.3L?
A: Yes it bolts directly to 2007-2013 Avalanche 1500 5.3L models including Black Diamond editions using factory mounts. -
Q: What material is used in Gibson 5574?
A: 2.25-inch aluminized steel tubing and dual sport mufflers built for durability in off-road and towing conditions. -
Q: What does the lifetime warranty cover?
A: Structural defects on tubing mufflers and hangers when installed and used properly no mileage limit.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: One oversized box 58in L x 16in W x 14in H
- Weight: 49 lbs
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