REAR
S-U-MM-I-T Chassis reinforcement equipment improves chassis  rigidity  &  reduces un-wanted chassis flex.  
S-U-MM-I-T Brace's are not hollow tube, they use a monocoque Aluminium triple forged  tube sharft, which makes them incredibly lightweight but are also exceptionally strong. 
S-U-MM-I-T Strut braces are 50% stronger than cheap hollow alloy tube strut brace's
S-U-MM-I-T upgrades your chassis performance and there by improving you cars handling and driving experience.