Complex sentence: The lower tie bar is designed to reduce the movement of the control arms and to stiffen the subframe to lessen the distortion of the lower suspension, especially during hard cornering, thus generally improving the handling and steering response of the vehicle much like a strut bar.
Split into simpler sentences: The lower tie bar is designed to reduce the movement of the control arms and to stiffen the subframe to lessen the distortion of the lower suspension especially during hard cornering. Thus generally improving the handling and steering response of the vehicle much like that of a strut bar.