Basically they will lower the same amount. They have almost identical drop rates from the factory....
There is no
better between the two... although the H&R does have a slightly stiffer spring rating.
Take a look at our spring rating chart
http://www.stangsuspension.com/store...tesarticle.aspyou will see that the H&R has a slightly stiffer rating. They will provide a bit higher level of handling performance.
Sincerely,