Kooks 28502400 1-7/8" x 3" Stainless Steel Long Tube Header (Non-CARB Compliant) 1999-2012 GM LS Truck; Fits Silverado/Tahoe/Escalade/Yukon 4.8L/5.3L/6.0L/6.2L This item is not for sale in California/Non CARB compliant