silly question, obviously when you lower a car, you have to get it aligned, but what about after i lower the car, get it aligned, then put 20s on...do i have to get it aligned again?

 

I'm no expert, but I would recommend it since now your car has a different stance profile. Unless your new wheels and tires add up to the exact circumference as the previously aligned circumference of the tires, then I would get an alignment. But in the end, I would see 2 things that would happen as a result of mialignment: 1) your car won't steer in a straight line and would drift 2) your tires will wear more quickly and/or unevenly.

 

The answer is simple, yes.

 

yes.......

 

yes. taller tires, wider, offset of wheel.

 

need alignment after any suspension mods. dont think you need to for changing wheels though