96-00 Chevy/GMC Suburban/Tahoe/Yukon/Denali 5.7L 2WD/4WD Stainless Steel Header CNC-machined, made by High Quality Stainless Steel with Mandrel Bent Pipes Bolt-On Design, Increase Horsepower and Torque Gasket, Nuts and Bolts are Included Direct Fit bolt-on Replacement, No Welding Required, Uses OEM Style Connections Heavy Duty Laser Cut Port Flanges-No Warping or Leaking Premium Gaskets and Hardware