2-1/2" dual exhaust with headers install.

Five points of contact, it's not going anywhere unless we get a big earth quake. And, the engine host is still connected, it's not going anywhere even if we do.

But thanks, you can never be too safe working on these cars.
Good jack stands just not with a 2x4 on top. The wood can split and the car can domino to the floor with you underneath.