I was SCM at the VIOC for years and our filters were made by champlabs and in the beginning of my career, there was metal and plates, Coil spring bypass valve, it was actually a halfway decent looking filter, but then they came out with the ecore design.. I had to quit using them in my vehicle, when they first came out, because I swear the check valve didn't even operate, I started my vehicle up and all it did was rattle.
Most companies do what they can to save money. It all comes down to the bottom dollar. Unfortunately..
Most companies do what they can to save money. It all comes down to the bottom dollar. Unfortunately..