Gibson 99-01 Chevrolet Silverado 1500 Base 4.8L 1-5/8in 16 Gauge Performance Header - Stainless - GP115S

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:

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