Yeah, manifold needs little work to be fitted in

But it should be quite easy, because I got muck better welding equipment now, than had three years ago when I weld the exhaust pipe together.
This was what I had long time ago:
And the last welds were done with this:
As you can see there is a great difference. The Esab has maximum 170A current, so even thicker metals will be melt

As a shielding gas I use carbonoxyde (CO2).