1.   It matches a single intake port in the engine head to separate low-speed and high-speed ports in the manifold.

2.   No gaping air intake ports.

3.   Power tools have intake ports that suck fresh air into and around the motor, and exhaust ports that force the hot air and dust out.

4.   Shoot a few blasts of air into the intake ports to dislodge the dirt and dust inside.

5.   The Mitsubishi engine places it inside the cylinder and uses the intake port only for air.