Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Stainless hands Designed with standard height engine

Designed with standard height engine mounts

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Thin Disc: The ''thin'' discs offer greatly reduced inertia to improve shift effort

Made of lightweight 356-T6 aluminum

This design gives you a strong control arm that greatly improves performance with zero deflection and loads of adjustability

Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Stainless hands Designed with standard height engineEvery 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