i want to lower my car as much as possible. which set of springs am i looking for? link is below for choices.
http://www.tirerack.com/suspension/Susptabl.jsp?autoMake=Ford&autoModel=Mustang+Cobra&autoYear=2003&autoModClar=&brand=H%26R
http://www.tirerack.com/suspension/Susptabl.jsp?autoMake=Ford&autoModel=Mustang+Cobra&autoYear=2003&autoModClar=&brand=H%26R