Sway Bar affects the handling and the car's over steer and under steer. It ties the lower suspension links together across the front or back, will keep your car flat in turns instead of leaning over to one side. Hardrace sway bars provide better control especially at high speeds cornering. Designed for OE direct replacement. Hollow internal structure. Correction of under or oversteer. Improve more grip and better handling . Increased stability while during high speed cornering  Note: 22 mm 3 PCS/SET  Fits: Subaru Impreza 3rd WRX GE-GR 2007-2013 Subaru Impreza 4th GP/GJ 2012-2017 Subaru Impreza 3rd STI GE-GR 2007-2013 Subaru Forester 3rd SH 2008-2013 Subaru Forester 4th SJ 2013-2018 Subaru Legacy/outback 5th BM/BR 2009-2014 Subaru Legacy/outback 6th BN/BS 2014-2020 Subaru Levorg 1st VM 2014-2020 Subaru Xv/crosstrek GP 2012-2017 Subaru WRX WRX/STI VA 2014-2021