Apparently there has been some slippage in quality of the Motorcraft filters made by Purolator as Purolator has a new owner. The new Champion made Carquest filters (formerly Wix made) more closely match what Fords came with from the factory. Video on them
http://www.bing.com/videos/search?q=Who+...amp;FORM=VRDGAR
http://www.bing.com/videos/search?q=Who+...amp;FORM=VRDGAR