SST will overheat at the track, after many laps on a warm or hot day.
Adding oil-cooler to the SST can go a long way to fix the issue.
As near standard car, X is hard to fault. YOu should reflash the Engine and SST ECU, to optimize mapping, and align the wheels, and keep it standard for most smiles with least expense and reliability concerns.
Good tires, good brake pads and brake fluid.