It's a synergistic effect.

● Mounting parts: Floor crossbar

From the stage of the new car, it was installed to increase the body rigidity because it felt fluffy, probably because it had no rigidity or because the suspension was too soft.
The fluffy feeling of the rear has disappeared by itself, but I recommend it because it has a synergistic effect when attached together with the tower bar and the front and rear lower arm bars in order to keep the overall balance.

● Kanagawa Prefecture Toron-san (CX-5 / KF)