I am on the verge of buying lowering springs since the Ground Controls are basically "garbage"..and the mazdaspeed coilover set is too expensive..Now..i am bouncing back and forth from the H&R Springs which they say lowers the car about an inch and a third..1.3"..frnt and rear..but doesn't it have to be 2 diff drops frnt and rear??..my other choice is the eibach pro-kit..it drops the car i think like 1.3" frnt and 1.7 in rear...which may be too much...can anyone help me out with my decsion thanks.