Tyger Auto 5inch Black Nerf Bars Fit 1999-2013 Silverado/Sierra 1500/2500LD Extended Cab; 2001-2014 Silverado/Sierra 2500HD/3500 Extended Cab (Excl. C/K Classic) IMPORTANT: Only fit Extended Cab with 2 full-size front doors & 2 suicided rear doors NOT for Crew Cab with 4 full-size doors.(Please check the Cab Size image above).; 100% brand new 2 bars for both driver & passenger sides. All mounting hardware and DIY instruction included.; Step bars are made of heavy duty Black Powder-Coated 5 inch oval tubing rust resistant! UV resistant non-slip wide step pads.; Easy No-Drilling DIY installation in minutes.; 5-Year warranty