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

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.

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

Flat Flange/Ball Seat Flange; With EGR Fitting; With Out Air Injection.

Performance Header; Stainless

Uses OEM Style Connections

Gibson Exhaust Header

Stainless Header