If e-cores are so good, why doesn't Champion make their premium filters, M1 and K&N, in this configuration?
Champion began the e-core movement from the other direction.....
First - Mexican Valucraft
Second - Super Tech at Walmart
Third - STP
Fourth - AC Delco
Next - ??????
Champion began the e-core movement from the other direction.....
First - Mexican Valucraft
Second - Super Tech at Walmart
Third - STP
Fourth - AC Delco
Next - ??????