Lowers car 1.3″ (33 mm) in front and 1.3″ (33 mm) in rear on non R-Design Lowers car .7″ (17mm) in front and .6″ (15mm) in rear on R-Design models Better looks and styling by reducing fenderwell gap Improved handling by lowering center of gravity Slight increase in spring rate for optimal cornering Direct replacement for factory springs