2009-2015 GM HD Cold Air Intake Kit (75-5061-1)Description Note: This kit will not fit if you have an Electric Cooling Fan or the Heavy Duty Towing Option Fan Shroud. See vehicle applications. S&B's cold air intake for the 2009 2015 Silverado Sierra 2500, 3500 was engineered to minimize air restriction and flow better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. This kit comes with a massive, highly efficient air filter which