I reccomend a rear bar. a stock car understeers so bad, the bar brings it back to neutral.
the only way i can see the car coming around on the road is if you do something silly like entering an off ramp way to fast and snap lifting off the gas. but that could spin any car.
May 2014 ROTM
for auto-x: '04 Liquid Grey ZX3
for street: '02 Infrared SVT