Mine is currently on a lift and when I read this thread I went out and looked at the exhaust. Both resonators are crimped, one on the top and the other on the bottom.
what year is your car? Think they might have done it differently with older models.
2013 V6 Mustang Automatic with the following mods: Roush Hood scoop, 3M Clear braw paint protector, MRT rear window louvers, 3M scotchprint carbon fiber roof wing decklid and scoop, strut tower brace, FRPP axleback exhaust.