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.Installation InstructionsCertificate of OriginWarrantyThis Part Fits:
Year
Make
Model
Submodel
2002-2006
Cadillac
Escalade
Base
2004-2005
Chevrolet
Silverado 1500
LS
2004-2006
Chevrolet
Silverado 1500
LT
2003-2006
Chevrolet
Silverado 1500
SS
2005
Chevrolet
Silverado 1500
Z71 Off-Road
2005
Chevrolet
Silverado 1500 HD
Base
2002-2003,2005
Chevrolet
Silverado 1500 HD
LS
2002-2003,2005-2006
Chevrolet
Silverado 1500 HD
LT
2002-2004
Chevrolet
Silverado 2500
Base
2002-2004
Chevrolet
Silverado 2500
LS
2002-2004
Chevrolet
Silverado 2500
LT
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
2004,2006
Chevrolet
Silverado 3500
WT
2002-2006
Chevrolet
Suburban 2500
LS
2002-2006
Chevrolet
Suburban 2500
LT
2006
GMC
Sierra 1500
Denali
2006
GMC
Sierra 1500
SLE
2006
GMC
Sierra 1500
SLT
2002-2003,2005-2006
GMC
Sierra 1500 HD
SLE
2002-2003,2005-2006
GMC
Sierra 1500 HD
SLT
2002-2004
GMC
Sierra 2500
Base
2002
GMC
Sierra 2500
SL
2002-2004
GMC
Sierra 2500
SLE
2002-2004
GMC
Sierra 2500
SLT
2003-2004
GMC
Sierra 2500
WT
2002-2005
GMC
Sierra 2500 HD
Base
2002,2006
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
2002-2005
GMC
Sierra 3500
Base
2002,2006
GMC
Sierra 3500
SL
2002-2006
GMC
Sierra 3500
SLE
2002-2006
GMC
Sierra 3500
SLT
2004-2006
GMC
Sierra 3500
WT
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
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