Recent content by Panamint Valley

Interesting. I might buy a new Wix-branded filter just for comparison. One thing I saw inside the MANN+HUMMEL filter was that the relief spring was visible on the top side of the bypass valve and was retained with four thin folded sheet metal tabs, whereas the ProFormer had the spring hidden on...

Late to this thread but wanted to document some things for anyone interested. Overall, I'm disappointed in the move away from Wix. I have a small inventory of NAPA 1085 filters circa 2021-2024 as shown here. From what I can see upon close inspection, the filter in the MIDDLE of the picture is...