Intake manifold Peugeot horizontal d=21mm Motoforce

Many scooters come equipped with a restricted intake manifold.
By replacing it with an unrestricted one, greater acceleration and a higher top speed can be achieved. If you want to change the carburetor for a larger one, it becomes essential to change the intake manifold.
This intake manifold also works as an original replacement or for installing a carburetor from 17 to 21mm