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" Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2001 | Chevrolet | Silverado 1500 | Base |
| 1999-2001 | Chevrolet | Silverado 1500 | LS |
| 1999-2001 | Chevrolet | Silverado 1500 | LT |
| 1999-2000 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 2000-2001 | Chevrolet | Suburban 1500 | Base |
| 2000-2001 | Chevrolet | Suburban 1500 | LS |
| 2000-2001 | Chevrolet | Suburban 1500 | LT |
| 2000-2001 | Chevrolet | Tahoe | Base |
| 2000-2001 | Chevrolet | Tahoe | LS |
| 2000-2001 | Chevrolet | Tahoe | LT |
| 1999-2001 | GMC | Sierra 1500 | SL |
| 1999-2001 | GMC | Sierra 1500 | SLE |
| 1999-2001 | GMC | Sierra 1500 | SLT |
| 1999-2000 | GMC | Sierra 2500 | SL |
| 1999-2000 | GMC | Sierra 2500 | SLE |
| 1999-2000 | GMC | Sierra 2500 | SLT |
| 2000-2001 | GMC | Yukon | SLE |
| 2000-2001 | GMC | Yukon | SLT |
| 2000-2001 | GMC | Yukon XL 1500 | SLE |
| 2000-2001 | GMC | Yukon XL 1500 | SLT |