Thanks for some of those really amusing responses.
JMHO, Lube filters always flow from the outside in. The inherent strength of filter's is designed for and derived from that Outside-In flow path. The media/pleats, media backing/support layers are intended to be "compressed inward" on to the center-tube not "blow up" from the inside out w/o any support. When oil's flowed ass backwards through the filter cartridge and the anti-drainback valve (designed to be very sensitive to minute inches of differential pressure/essentially gravity flow) it sees instead pounds of differential pressure (what the oil pump's bypass pressure is).
JMHO I'd carefully cut it apart using a filter cutter, to avoid creating any contamination or damage that could confuse the issues and carefully inspect the filter cartridge pleats & end cap components for rupturing as well as the anti-drainback seal. I believe damages to the filters guts will be limited to ruptures, not physically tearing off pieces from the rupture (careful inspection remember).
If filter parts are torn away and extruded ass-backwards through the lube system they could certainly blind off flow or will blind flow sooner or later. Worst case filter media pieces being porous will allow flow, but eventually being filter media they could do what filters do - get stopped up.
Re: "One more reason to NOT run a remote filter as a single filter is more than enough. Billions of hard miles in FE equipped taxis, passenger cars, light trucks, muscle cars, boast etc. and every single one had a stock location single filter!"
Unfortunately running a remote is required for chassis clearance issues, remote coolers and the ability to run more filtration capacity which offers many benefits. Because someone was not savvy enough to simply determine and connect the remote oil line sequences properly is a poor excuse for others to avoid modifying their lube/filter systems to match their modified motors.
