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 engine's 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 . No welding required. Uses OEM style connections. 3/8 Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included.
Specifications - Tubing Size - 1-5/8-in. Steel 14-gauge mandrel bent tubing
- Dimension - 25 L x 11 W x 11 H in.
- Item Weight - 21 lbs.
- Foot Note- With air Injection; Includes Flat Flange/Ball Seat Flange; With EGR Fitting
Features - Finish - Chrome Plated
- Year - 99-01
- Model - Chevrolet Silverado 4.8L-5.3L;99-01 GMC Sierra Truck 4.8L-5.3L;99-00 Chevrolet Silverado 6.0L;99-00 GMC Sierra Truck 6.0L;00-01 Chevrolet Suburban 4.8L-5.3L;00-01 Chevrolet Tahoe 4.8L-5.3L;00-01 GMC Yukon 4.8L-5.3L;00-01 GMC Denali 4.8L-5.3L
- SKU: GBPE1643
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