iba iba itsura nila depending on the car. iba rin orientation depending on the layout of the engine. follow the air filter tube and the metal portion it is connected to is the throttle body, the intake manifold is what is connected to the throttle body.
You can easily determine the difference of an intake manifold with exhaust manifold by their colors. Intake manifols are made of aluminum alloy, and exhaust manifolds are made of cast iron. And we all know the color of aluminum and cast iron, right?
cheers....