For those people wanting to change tire size, plug in new size and hit calculator button to see changes and how it effects your car. 245/50-R20 vs 245/55-R20 Tire Comparison - Tire Size Calculator ...
Yes it is, many of the younger owners now buying used chargers do not realize how changing tires alter there vehicles specs. especially RPM which leads to speeding tickets.
Yea, my truck has bigger tires and I know the speedometer is off a little and still forget that when setting the cruise on the highway.