Spec-D Tuning SSB3-SIV99XCS2-WB Chevy Silverado 2500 HD 3500 Extended Cab Stainless Steel Side Step Nerf Bars 1 Pair of Chrome Polished Stainless Steel Nerf Bars Equipped with non-slip polyethylene step pads Professional installation is highly recommended 30 Day Money Back Guarantee & 90 Days Limited Warranty Made by OEM approved & ISO certified manufacturers in materials that meet or exceed strict OEM requirements