that day im traveling to seremban crusing 170 max speed (can reach 180) with aircond off also the same. my car has 5 ppl inside including myself . standard just change 17 inch rim. so is this normal for my car? if yes i would like to ask some sifus i dont need 240 or some turbo speed just hit the 180 is ok for me, or the car has speed limit so cut speed once reach 180? any other way to solve the problem?