im trying to junk out this junk old crown vic and l thot l might cut off the catalytic converter. but as l was doing so l notices 4 cambers, 2 off each manifold just off the engine and im curious as to what they r. its a 93' crown vic 4.6l

They are catalytic converters.

they are the catalytic converters. the 4.6L fords have a pre cat and an after cat. so 4 total for catalytic converters.