Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 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 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Stainless

With Out Air Injection; With Out EGR; automatic only.

Heavy Duty 3/8 in. Thick Laser Cut Port Flanges

Heavy Duty 409L Stainless 16 Gauge Tubing

Performance Header; Stainless

Premium Gaskets and Hardware

Uses OEM Style Connections

Gibson Exhaust Header

Mandrel Bent Tubing

No Welding Required

Performance Header

Truck/Suv