My X-Type is pulling left at lower speeds. Above 65 mph it pretty much straightens up. The slower I go, the more it pulls. But, it brakes straight.
I have had the alignment checked -- no problem. Replaced a bad right strut and knuckle. This started when I changed wheels and tires. I know that the inside rim of the right rear tire is slightly bent and plan to have all the wheels straightened and trued. Is it possible that the right rear wheel is the culprit? Anything else to check?

 

I would check your tire pressure.

 

Tire pressures could possibly do it. But, I would also see if you have a brake caliper that might be hanging up a little bit and it is putting excessive drag on that one side and once you get up to speed, the grip of the non-sticking side helps it straighten out.

 

There you go.

If the tires are not directional, try rotating them side to side to see if things change. Sounds like a bad tire.

 

I had the same problem. I put brand new bridgestones on and it transformed the car

 

Thanks, everyone. The tires are directional, but seem to be mounted properly. I will give all that a try.