put nos in cars
Improve appearance
self starters
Banned cars
It prevents the body from rusting.
Helps improve fuel mileage.
A turbo.
it helped them so they don't hurt the environment
They fix cars and do stuff like that they also paint and improve them
No, it improves the safety of the occupants of the car. Thwere is no doubt that it does.
I am pretty sure it was made either to make money or to improve cars
They take the "bounce" out of the suspension, improve the ride and handling performance.
bying cars that get more miles per gallon of gasoline