all my touring are pro 4, and i'm comfortable with ,
where im racing,this cars are decent , are not top the line but, does the job, after few years racing , i learn something, not the car is the major problem , the driver
.i'm using PRO 4 for drift, vintage, stock touring, mod touring,indoor, out door, the best performance was indoor (carpet) foam tires mod touring. I have issues that's sure ,out door all my care are so lose special rear end, but still trying ...........................
all the best for all