To connect to the car is does not require a sync tool. But, for the car to correctly map the tire location you need to sync it. if you don't use the psi gauge built into the car this doesn't matter.
Levittown ford sells a 4 sensors and a sync too for about the same as 4 sensors bought...
If i knew what gear I was going into and matched the RPM to that gear it would probably get it. But I looks like it uses some logic to determine that you want to downshift
I tightened mine to 125 ft lbs, the noise came back after 3 weeks re tightened it to 175ftlbs and it hasn't come back yet its been a week and about 400 miles