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.
Flat Flange on Both Sides; With EGR Fitting; With Out Air Injection.
Fitment:
1999 Chevrolet Silverado 2500 Base
1999 Chevrolet Silverado 2500 LS
1999 Chevrolet Silverado 2500 LT
1999 GMC Sierra 2500 SL
1999 GMC Sierra 2500 SLE
1999 GMC Sierra 2500 SLT
2000 Chevrolet Silverado 2500 Base
2000 Chevrolet Silverado 2500 LS
2000 Chevrolet Silverado 2500 LT
2000 Chevrolet Suburban 2500 Base
2000 Chevrolet Suburban 2500 LS
2000 Chevrolet Suburban 2500 LT
2000 GMC Sierra 2500 SL
2000 GMC Sierra 2500 SLE
2000 GMC Sierra 2500 SLT
2000 GMC Yukon XL 2500 SLE
2000 GMC Yukon XL 2500 SLT
2001 Chevrolet Silverado 1500 HD LS
2001 Chevrolet Silverado 1500 HD LT
2001 Chevrolet Silverado 2500 Base
2001 Chevrolet Silverado 2500 LS
2001 Chevrolet Silverado 2500 LT
2001 Chevrolet Silverado 2500 HD Base
2001 Chevrolet Silverado 2500 HD LS
2001 Chevrolet Silverado 2500 HD LT
2001 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2001 Chevrolet Suburban 2500 Base
2001 Chevrolet Suburban 2500 LS
2001 Chevrolet Suburban 2500 LT
2001 GMC Sierra 1500 HD SLE
2001 GMC Sierra 1500 HD SLT
2001 GMC Sierra 2500 SL
2001 GMC Sierra 2500 SLE
2001 GMC Sierra 2500 SLT
2001 GMC Sierra 2500 HD SL
2001 GMC Sierra 2500 HD SLE
2001 GMC Sierra 2500 HD SLT
2001 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2001 GMC Yukon Denali
2001 GMC Yukon XL 2500 SLE
2001 GMC Yukon XL 2500 SLT
2002 Cadillac Escalade Base
2002 Chevrolet Silverado 1500 HD LS
2002 Chevrolet Silverado 1500 HD LT
2002 Chevrolet Silverado 2500 Base
2002 Chevrolet Silverado 2500 LS
2002 Chevrolet Silverado 2500 LT
2002 Chevrolet Silverado 2500 HD Base
2002 Chevrolet Silverado 2500 HD LS
2002 Chevrolet Silverado 2500 HD LT
2002 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LT
2002 Chevrolet Suburban 2500 LS
2002 Chevrolet Suburban 2500 LT
2002 GMC Sierra 1500 HD SLE
2002 GMC Sierra 1500 HD SLT
2002 GMC Sierra 2500 Base
2002 GMC Sierra 2500 SL
2002 GMC Sierra 2500 SLE
2002 GMC Sierra 2500 SLT
2002 GMC Sierra 2500 HD Base
2002 GMC Sierra 2500 HD SL
2002 GMC Sierra 2500 HD SLE
2002 GMC Sierra 2500 HD SLT
2002 GMC Sierra 3500 Base
2002 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLT
2002 GMC Yukon Denali
2002 GMC Yukon XL 2500 SLE
2002 GMC Yukon XL 2500 SLT
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.