I had this Power Wagon to 100 mph in four wheel drive, and to 5500 rpm many times. I've learned from dyno testing that engines shed the vast majority of break in metal in the first few hours of run time. Best break in is to lay on them like a dyno test. Anyway many particles smaller than 20 microns don't get trapped by normal full flow filters (Amsoil), plus if there's enough large enough to get caught the filter can bypass. Either way debris is being circulated. That's why I use filter mags when we dyno test. Some of what gets caught by the magnets is small enough to go through a filter. That's the point of an early oil change, get the break in debris out of the engine/transmission/gearbox. It's also the point of the bypass filter, it filters to a much finer level, 2 microns, than the full flow.
I know this won't double the miles the engine lasts, but like someone said it could prevent lifter failure. I've read the Mopar roller lifters make noise when they are dirty.
This is the first vehicle I've owned with a factory warranty.