[PilotHawK]

You should be able to reshape the pipe and it not look too bad if you can weld/braze halfway decently. The trick is to not change the length of the pipe. You should be able to cut and rotate the pipe however you need, but if you need to change the angle of the bend make a perpendicular cut across the pipe. On the side of the pipe you need to tighten the radius on, remove a wedge shaped piece that will give you the amount of change you need then reverse the piece and install it 180 degrees from the original position of the cutout. This will give you the new angle that you need without shortening the pipe.