You certainly can't today, with all vehicles having air bags, but less than half including ABS. ABS is probably the most useful safety feature since the seat belt.
I doubt there is a law against installing better safety equipment. I'm sure there is a law against a mechanic "tampering" with the existing equipment. So they'd have to leave the stock stuff alone.
What's really bad are the "automatic" shoulder belts found on some older cars. With the shoulder belt and no lap belt, you are worse off than with no belt at all.
Yup. Dodge Viper competition package. Adds a bunch of racing stuff, including 5 point belts. Deletes stereo and AC. $10K
Bob Kaplow NAR # 18L TRA # "Impeach the TRA BoD" >>> To reply, remove the TRABoD!