The cost to replace the intake manifold should be between $500.00 to $800.00 depending on make and model of car and that includes the parts and labor.
Intake manifolds cost between $150.00 to $600.00 for the manifold itself depending on the make and model of the vehicle.
Then if you have a shop replace the intake manifold for you the labor should be between $250.00 to $500.00 depending on how hard the intake manifold and intake manifold gasket is to replace.
Some cars and vehicles the intake manifold gasket and intake manifold are easy to get to and remove and replace while on some other vehicles you have to remove a lot of other stuff on the car to get to the intake manifold and then you have to put all that stuff back together.
That takes more time for the shop to do the work so you can expect it to take a few days to a week before your intake manifold gets replaced on the vehicle.
The cost to replace the intake manifold should be between $500.00 to $800.00 depending on make and model of car and that includes the parts and labor.
But the cost could be a bit lower or higher depending on the vehicle.