PaceSetter 72C1301 Shorty Header with Armor Coat for Toyota Tundra 2000-05, 5.7L Sequoia CNC-machined port-matched thick steel flanges provide postive seal at the head and unrestriced flow into the primary tubes All tubing is mandrel-bent 16-gauge carbon steel for excellent durability Replaces stock exhaust manifolds for easy installation Armor Coat metallic ceramic coating resists rust and corrosion and will not turn blue Gaskets and hardware included