If our roads were perfect, with no irregularities such as potholes and other imperfections, suspensions wouldn't be necessary. But our roads are far from flat. Even new highways have subtle faults that can interact with the wheels of a car. It's these imperfections that apply forces to the wheels and can cause damage to your car. Luckily you can have your suspension system done professionally at Direct Auto 4x4 Fitmnent Centre, where they do both normal suspension and air suspension.