For 2014-2018 Chevrolet Silverado 1500; 2015-2018 Chevrolet Silverado 2500HD/3500HD; 2014-2018 GMC Sierra 1500; 2015-2018 GMC Sierra 2500HD/3500HD; These are not Replacement Unit!! They are the stick on tape. They DO NOT replace your factory unit. This item is 100% brand new in original box. No cutting or drilling required. Made of top-quality automotive grade materials against factory defects for years. A brand new different look to surely catch all the attention.