3 Hole Bolt 3zz 4zz Intake Manifold Compatible with Toyota Corolla Runx 1.4/1.6

What does an intake manifold do?
What is an Intake Manifold Gasket | Fel-Pro Gaskets
Featuring a series of tubes, the intake manifold ensures that the air coming into the engine is evenly distributed to all the cylinders. This air is used during the first stroke of the combustion process. The intake manifold also helps cool down the cylinders to prevent the engine from overheating.

What happens when intake manifold is bad?
Symptoms of Bad or Failing Intake Manifold Gaskets ...
A vacuum leak caused by a bad intake manifold gasket can throw off the engine's air-fuel ratio and cause engine performance issues such as misfires, a decrease in power and acceleration, a reduction in fuel efficiency, and even stalling

Can I drive my car with a bad intake manifold?
How To Know Your Intake Manifold Gasket Is Failing | The Drive
Can I Drive With A Bad Intake Manifold? While it's probably possible to drive with a bad intake manifold, it's certainly not advisable. Even if you can make it safely to your destination - which is hopefully your local mechanic - you may end up causing other damage to your vehicle in the process.

What's in the box
1x Intake Manifold