intake swap

Not so fast, the intake is designed to slide on the gasket with its thermal expansion, thats why the washers are special and the torque is so low. A sliding intake is not going to "mate" the gasket so you got a pretty good chance itll seal right up, but for $9 and having it half apart, it makes sense to change it out while you are down there. Ide bolt both up to spec, then torque the heat riser bolt to allow it to center.