Eibach Sportline Springs will drop about 1.5 inches but don't expect the struts to last past 15k even on the stronger 2015+struts
Also don't forget that the sportlines aren't available for the 15+ FoST, and to use them the OP would have to get dampers for a 13 FoST.Eibach Sportline Springs will drop about 1.5 inches but don't expect the struts to last past 15k even on the stronger 2015+struts