You should definitly get an alignment after installing new tires. I am guessing it would run you around 70.00 to get the tires mounted and balenced. A toyota alignment should run you about 50.00. If you bring the specs with you, toyota or anyone should be able to align it to those specs. Almost more important than who does you alignment is what type of equipment they use. I would reccomend toyota, the bigger/newer dealerships most likely have the better machines.