Gibson Performance Exhaust PERFORMANCE HEADER; STAINLESS 7.4L Chevrolet/GMC 1996-1999
Gibson Performance Exhaust PERFORMANCE HEADER; STAINLESS 7.4L Chevrolet/GMC 1996-1999
Performance Header, StainlessEvery 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. Backed by a Lifetime Limited Warranty. 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.
California Residents: Proposition 65 Warning
This item is 50-state legal (CARB E.O. Number D-411-11)

Vehicle Fitment
This product will fit the following Sierra 2500/3500 years:
- 1996,
- 1997,
- 1998,
- 1999,
This product will fit the following Silverado 2500/3500 years:
- 1996,
- 1997,
- 1998,
- 1999,