Keep your filter safe from sand, mud, and other debris when you purchase a Pre-Filter to your cold air intake on your 2011-2016 Ford 6.7L Powerstroke. Get the right pre-filter for your intake by matching up the filter dimensions, or by using the filter part number. XDP carries pre-filters from manufacturers such as AFE, K&N Engineering, and many more! Each pre-filter is manufactured from a breathable free-flowing material that will block contaminants and debris while allowing proper airflow to the engine. A pre-filter provides your vehicles engine, air intake system, and air filter with the protection it needs from large airborne contaminants while also helping to extend cleaning intervals.