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Gibson engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Gibson lineup with fast shipping and expert fitment support — order with confidence.
Upgrade your 2002-2005 Cadillac Escalade 5.3L with these dyno-tuned Gibson performance headers. Engineered to optimize exhaust flow, these headers provide a significant boost in usable horsepower and torque, specifically in the low-to-mid RPM range where you need it most for towing and daily driving. By reducing backpressure, your engine breathes more efficiently, resulting in cooler operating temperatures and improved throttle response.
Installation is straightforward with no welding required, and all necessary premium gaskets and hardware are included in the kit. These headers are ideal for both stock and modified vehicles, providing a reliable performance upgrade that won't compromise your factory warranty. Whether you are hitting the street or the trail, experience the difference in engine efficiency and sound. Trust your next performance exhaust upgrade to the experts at GGCRACING.
…and 24 additional fitments. Contact us to confirm yours.
| Brand | Gibson |
|---|---|
| Manufacturer part number | GP129S-C |
| GGC SKU | GIBGP129S-C |
| UPC / GTIN | 677418009453 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 23.6 × 11.1 × 10.5 in |
|---|---|
| Shipping weight | 19.4 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2002-2005 | Cadillac | Escalade | Base |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face, On Road Edition |
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS, LT |
| 2002-2005 | Chevrolet | Silverado 1500 | Base |
| 2002-2013 | Chevrolet | Silverado 1500 | LT, WT, LS |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 2002-2006 | Chevrolet | Suburban 1500 | Z71 |
| 2002-2014 | Chevrolet | Suburban 1500 | LS, LT |
| 2002-2006 | Chevrolet | Tahoe | Z71 |
| 2002-2014 | Chevrolet | Tahoe | LS, LT |
| 2002 | GMC | Sierra 1500 | HT |
| 2002-2003 | GMC | Sierra 1500 | SL |
| 2002-2005 | GMC | Sierra 1500 | Base |
| 2002-2013 | GMC | Sierra 1500 | SLE, SLT, WT |
| 2005-2006 | GMC | Sierra 1500 | Hybrid |
| 2002-2014 | GMC | Yukon | SLE, SLT |
| 2002-2010 | GMC | Yukon XL 1500 | SLE |
| 2002-2013 | GMC | Yukon XL 1500 | SLT |
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