All the stock Mopar/Ford oil filters can bypass up to 20% of the oil flow, the race filters can bypass 40% shock work
The stock GM /Chevy type filters are non bypass, 100 % filtration work scope shruggy
I do still run the stock type Mopar/Ford oil filters including the big NASCAR type remote mounted Wix race filters up scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)