No news is good news. The waviness on the crimp was me probing it with a pick to make sure it was crimped tightly over the entire length. It was. These filters are ridiculous overkill for me changing at the OLM (5600 miles this time) on the SRT. But they only add about $7 to the cost of an OCI compared to an Ultra. I'm sticking to the OLM while under warranty. At least in my experience, these are the Bugatti Veyron of oil filters- Champion-built, wire-backed synthetic, and pretty much identical to what they build for Amsoil and others. About $14 including tax at Pep Boys. Oil was M1 0w40 again.