View our Specials! Coupon Code: SaveIn2026
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Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8 in. Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.
Features:| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2002 - 2006 | Cadillac | Escalade | Base | ||
| 2003 - 2006 | Chevrolet | Silverado 1500 | SS | ||
| 2004 - 2005 | Chevrolet | Silverado 1500 | LS | ||
| 2004 - 2006 | Chevrolet | Silverado 1500 | LT | ||
| 2005 - 2005 | Chevrolet | Silverado 1500 | Z71 Off-Road | ||
| 2002 - 2003 | Chevrolet | Silverado 1500 HD | LT | ||
| 2002 - 2003 | Chevrolet | Silverado 1500 HD | LS | ||
| 2005 - 2005 | Chevrolet | Silverado 1500 HD | Base | ||
| 2005 - 2006 | Chevrolet | Silverado 1500 HD | LT | ||
| 2005 - 2005 | Chevrolet | Silverado 1500 HD | LS | ||
| 2002 - 2004 | Chevrolet | Silverado 2500 | Base | ||
| 2002 - 2004 | Chevrolet | Silverado 2500 | LS | ||
| 2002 - 2004 | Chevrolet | Silverado 2500 | LT | ||
| 2004 - 2004 | Chevrolet | Silverado 2500 | WT | ||
| 2002 - 2005 | Chevrolet | Silverado 2500 HD | Base | ||
| 2002 - 2006 | Chevrolet | Silverado 2500 HD | LS | ||
| 2002 - 2006 | Chevrolet | Silverado 2500 HD | LT | ||
| 2003 - 2006 | Chevrolet | Silverado 2500 HD | WT | ||
| 2002 - 2005 | Chevrolet | Silverado 3500 | Base | ||
| 2002 - 2006 | Chevrolet | Silverado 3500 | LS | ||
| 2002 - 2006 | Chevrolet | Silverado 3500 | LT | ||
| 2004 - 2004 | Chevrolet | Silverado 3500 | WT | ||
| 2006 - 2006 | Chevrolet | Silverado 3500 | WT | ||
| 2002 - 2006 | Chevrolet | Suburban 2500 | LS | ||
| 2002 - 2006 | Chevrolet | Suburban 2500 | LT | ||
| 2006 - 2006 | GMC | Sierra 1500 | SLT | ||
| 2006 - 2006 | GMC | Sierra 1500 | SLE | ||
| 2006 - 2006 | GMC | Sierra 1500 | Denali | ||
| 2002 - 2003 | GMC | Sierra 1500 HD | SLE | ||
| 2002 - 2003 | GMC | Sierra 1500 HD | SLT | ||
| 2005 - 2006 | GMC | Sierra 1500 HD | SLE | ||
| 2005 - 2006 | GMC | Sierra 1500 HD | SLT | ||
| 2002 - 2004 | GMC | Sierra 2500 | SLT | ||
| 2002 - 2004 | GMC | Sierra 2500 | SLE | ||
| 2002 - 2002 | GMC | Sierra 2500 | SL | ||
| 2002 - 2004 | GMC | Sierra 2500 | Base | ||
| 2003 - 2004 | GMC | Sierra 2500 | WT | ||
| 2002 - 2005 | GMC | Sierra 2500 HD | Base | ||
| 2002 - 2002 | GMC | Sierra 2500 HD | SL | ||
| 2002 - 2006 | GMC | Sierra 2500 HD | SLE | ||
| 2002 - 2006 | GMC | Sierra 2500 HD | SLT | ||
| 2003 - 2006 | GMC | Sierra 2500 HD | WT | ||
| 2006 - 2006 | GMC | Sierra 2500 HD | SL | ||
| 2002 - 2006 | GMC | Sierra 3500 | SLE | ||
| 2002 - 2005 | GMC | Sierra 3500 | Base | ||
| 2002 - 2002 | GMC | Sierra 3500 | SL | ||
| 2002 - 2006 | GMC | Sierra 3500 | SLT | ||
| 2004 - 2006 | GMC | Sierra 3500 | WT | ||
| 2006 - 2006 | GMC | Sierra 3500 | SL | ||
| 2002 - 2006 | GMC | Yukon | Denali | ||
| 2005 - 2006 | GMC | Yukon XL 1500 | Denali | ||
| 2002 - 2006 | GMC | Yukon XL 2500 | SLE | ||
| 2002 - 2006 | GMC | Yukon XL 2500 | SLT | ||
| 2003 - 2006 | Hummer | H2 | Base |
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.govFor more information on Gibson part number GP500S, you can visit the official Gibson website.
