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.

Vehicle Fitment

Years	Make	Model	Trim
1996–1997, 1999	Chevrolet	C2500	Base
1996–1998	Chevrolet	C2500	Cheyenne
1999	Chevrolet	C2500	LS
1996–1998	Chevrolet	C2500	Silverado
1998	Chevrolet	C2500	WT
1997–1999	Chevrolet	C2500 Suburban	Base
1997–1999	Chevrolet	C2500 Suburban	LS
1997	Chevrolet	C2500 Suburban	LT
1996–1997, 1999	Chevrolet	C3500	Base
1996–1998	Chevrolet	C3500	Cheyenne
1999	Chevrolet	C3500	LS
1996–1998	Chevrolet	C3500	Silverado
1996–1997, 1999	Chevrolet	K2500	Base
1996–1998	Chevrolet	K2500	Cheyenne
1999	Chevrolet	K2500	LS
1996–1998	Chevrolet	K2500	Silverado
1998	Chevrolet	K2500	WT
1997–1999	Chevrolet	K2500 Suburban	Base
1997–1999	Chevrolet	K2500 Suburban	LS
1997	Chevrolet	K2500 Suburban	LT
1996–1997, 1999	Chevrolet	K3500	Base
1996–1998	Chevrolet	K3500	Cheyenne
1999	Chevrolet	K3500	LS
1996–1998	Chevrolet	K3500	Silverado
1996–1999	GMC	C2500	Sierra SL
1996–1999	GMC	C2500	Sierra SLE
1996–1999	GMC	C2500	Sierra SLT
1997–1999	GMC	C2500 Suburban	Base
1997–1999	GMC	C2500 Suburban	SLE
1997–1999	GMC	C2500 Suburban	SLT
1996–1999	GMC	C3500	Sierra SL
1996–1999	GMC	C3500	Sierra SLE
1996–1999	GMC	C3500	Sierra SLT
1996–2000	GMC	K2500	Sierra SL
1996–2000	GMC	K2500	Sierra SLE
1996–2000	GMC	K2500	Sierra SLT
1997–1999	GMC	K2500 Suburban	Base
1997–1999	GMC	K2500 Suburban	SLE
1997–1999	GMC	K2500 Suburban	SLT
1996–1999	GMC	K3500	Sierra SL
1996–1999	GMC	K3500	Sierra SLE
1996–1999	GMC	K3500	Sierra SLT