Will this manifold work with any T3 turbo?

Yes. The T3 flange is the industry standard, so any T3-equipped turbo will bolt directly to this manifold. Confirm your turbo's compressor housing clearance before install — some larger units sit tight in the engine bay.

Do I need to port-match this to my cylinder head?

The manifold is cast for Zetec heads, so it should align closely. Always test-fit before final welding or gasket seating. Minor filing may be needed depending on your specific head, but major machine work shouldn't be required.

What about exhaust piping and downpipe connection?

This manifold is the first stage — you'll source your own exhaust outlet piping and downpipe downstream. The manifold outlet diameter and shape determine what size piping you'll need, so measure before ordering secondary components.