Ultra Racing Mazda 6 GG 03-08 UltraRacing 2-Point Rear Upper Strutbar UR-RE2-1213AThe chassis of the car is the part which experiences the most of the abuse from the driver. It is particularly due to the weight transfer of the vehicle body during fast cornering, hard braking or hard acceleration. In some instances, the weight transfer during cornering may cause one side of the vehicle to experience as much as 3 times more force than the other side of the vehicle, causing enormous chassis flex vehicle body deformity and twist,