So it is best to do a beefier rear sway-bar first (before a strut brace)? Do you think it is OK to do a beefier rear sway bar without doing a beefier front? The standard sway bars on my Gen 4 are 17mm diameter (front and back). A Whiteline rear is 20mm (BTR39). This would mean my config would be 17mm (front) and 20mm (rear) if I were to do the rear sway bar only. Would this be OK? Also, can anyone recommend a good supplier of Whiteline sway bars (i.e. some place that can supply at a discount)? I live in Sydney.