Originally Posted By: TTK
Card board end caps!
Look at the OEM BMW, Mercedes, Volvo, and most if not all other drop in filters. They all have fiber end caps. "Card Board End caps",Red Herring if there ever was one. Also, a few highly regarded OEM spin on filters have fiber end caps.
My point was Fram only uses it on their cheapest filter. If they thought it was a great idea, why not use it on them all?
Card board end caps!
My point was Fram only uses it on their cheapest filter. If they thought it was a great idea, why not use it on them all?